The flu, much like a wildfire, spreads very easily. All it needs is a little bit of wind, right? According to a 2023 study that involved the 2021 to 2022 flu season, you had a 50% chance of contracting the virus. If you or someone you know is sick, then, how long does the contagious period last? Although this is a difficult question to answer precisely, health experts have several guidelines that may help stop the spread. 

How Does The Flu Spread?

The flu is a viral respiratory illness that primarily spreads via close contact with an infected person. Infected flu patients expel germ-filled droplets when they cough, sneeze, or talk. When those droplets land in the mouth or nose of another person, that person is at risk of becoming infected. The droplets can also land on surfaces, such as doorknobs, TV remotes, or keyboards, which a healthy person can touch and then touch their mouth, eyes, or nose, thereby causing infection. 

You cannot always avoid these droplets when you are around someone with the flu. You can, however, take cautionary measures to prevent the spread of the virus. The Centers for Disease Control and Prevention (CDC) recommends the following tips to avoid spreading the flu:

• Cover your coughs and sneezes with a tissue and then throw that tissues away
• Clean and disinfect surfaces that may be contaminated (especially high-touch surfaces)
• Avoid close contact with sick people, and limit contact with others when you are sick
• Stay home for at least 24 hours after your fever subsides
• Avoid touching your nose, eyes, and mouth as much as possible
• Wash your hands regularly with soap and water. Use an alcohol-based hand sanitizer when you don’t have access to soap and water

How Long Does The Flu Last?

Infected with the flu? Well, it can last a few days or a couple weeks. More often than not, people who decided to get a flu shot will get over infection quicker than people who did not get vaccinated. Flu symptoms, such as body aches, fever, or chills, typically come on quickly and subside slowly. According to health experts, the average time between exposure to the virus and the appearance of symptoms is two days. 

Statistically, days two through four are the worst, regarding severity of symptoms. You will know that you are nearing the end of your flu when your fever is down and you no longer feel body aches. At that point, the virus is controlled, but coughing, runny nose, and fatigue can stick around for a little while after that. You may even experience some flu dizziness that can last for a couple days or weeks, depending on the cause. 

How Long Is The Flu Contagious?

Typically, you are most contagious during the first three days of sickness, according to the CDC. That said, you are likely contagious for a day before the onset of symptoms and several more once they subside. That means an infected person can spread the flu one day before they experience symptoms. You can spread it and not know it, especially if you did not know that the person you encountered was infected with the flu.

You are the most contagious when your symptoms peak, which is days two through four. It’s possible that you can continue to spread the virus until symptoms go away completely, though. Basically, you are no longer contagious once your symptoms are gone entirely. You can expedite your recovery through various alternative remedies or over-the-counter (OTC) flu medications. Just keep in mind that those OTCs that only lower fever will not help you get over your sickness faster or make you less contagious. They only make you more comfortable and able to deal with symptoms.

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A sore throat can be very uncomfortable and, more than anything, you want it to go away before the symptoms start to get worse. The primary symptoms of a sore throat are pain and irritation, especially when swallowing. When the immune system encounters bacteria or viruses, it inflames the mucous membranes in the throat. 

What Causes A Sore Throat?

A sore throat involves scratchiness, pain, or irritation in the throat. It is usually attributed to a viral infection, such as a cold or flu, and it usually resolves on its own. Strep throat, however, is a less common type of sore throat that requires treatment with antibiotics to prevent serious complications. Typically, bacterial infections do not cause sore throats as much as viral infections do. 

This article details eight natural remedies that may help reduce pain associated with sore throat. Possible remedies include honey, lemon water, peppermint tea, herbs, and more. Continue reading to see which remedy is best for you. 

Apple Cider Vinegar

The Ancient Greek physician Hippocrates prescribed a combo of honey and apple cider vinegar, oxymel, to help treat flu symptoms, including sore throat. Apple cider vinegar is a natural health tonic that is a common ingredient in various alternative medicinal remedies. The active ingredient is acetic acid, which works to fight bacteria. Drink one cup of warm water mixed with one tablespoon of apple cider vinegar. Don’t just take shots of apple cider vinegar, as that can lead to acid reflux. 

Gargle With Salt Water

Gargling with salt water is a classic remedy for relieving sore throat pain. The salt works to pull water out of the throat tissues, which may help reduce swelling. It may also help to kill harmful microbes in the throat. Combine one cup of warm water with one teaspoon of salt and stir to dissolve before gargling. Try to gargle for 30 seconds once per hour. 

Licorice Root

Licorice root exhibits similar properties to aspirin in that it may help reduce sore throat pain. It also offers antiviral, antibacterial, and anti-inflammatory properties. At this time, there isn’t a lot of research about how licorice root may relieve sore throat pain. One older study, however, found that gargling with licorice water before surgery reduced the risk of getting a sore throat by 50%, compared to gargling with standard sugar water. 

Ginger Tea

Ginger is an antibacterial and anti-inflammatory spice that works to soothe an upset stomach and relieve throat pain. Some laboratory studies found that ginger extract may kill certain viruses and bacteria that cause respiratory illnesses. Ginger may also reduce inflammation in tuberculosis patients. Although ginger tea is readily available in most grocery stores, you can easily make your own with boiling water, raw ginger root, a squeeze of lemon, and some honey for sweetness. 

Marshmallow Root

Throughout history, people have used extracts from the marshmallow plant to treat sore throats. The root contains mucilage, a gelatin-like substance that lubricates and coats the throat after you swallow it. According to research, lozenges containing marshmallow root were effective at soothing dry cough in animals. You can make marshmallow root-infused water by placing one ounce of marshmallow root in a cheesecloth inside a bottle with one liter of cold water. 

Honey

Typically used to sweeten herbal teas, honey may help soothe a sore throat on its own. Honey contains anti-inflammatory, antioxidant, and antimicrobial properties that may help combat viruses or bacteria. It is especially effective when you combine it with warm water and apple cider vinegar. For the best results, opt for raw organic honey or Manuka honey, as those are the purest forms. 

Coconut Oil

What is this popular skin and hair care ingredient doing on a list of ingredients that help remedy sore throat? Well, some studies suggest that coconut oil may fight infection and reduce inflammation in exposed areas. Coconut oil works to lubricate mucous membranes in the throat, which may provide mild relief from irritation. Add a spoonful of coconut oil to hot tea, soup, or put a spoonful in your mouth and allow it to melt and coat the throat. 

Lemon Water

Not only is lemon water a refreshing beverage, but it may also reduce throat pain that occurs during a cold or flu. Lemons are naturally rich in vitamin C and other antioxidants, which work to fight inflammation and oxidative stress. Lemon also helps to increase the amount of saliva that the body produces, which can help keep the throat lubricated. Maximize the benefits of lemon water by combining lemon with warm water and a little honey.

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The common cold is an upper respiratory infection that causes symptoms that plague the nose and throat. Typically, most colds are harmless and you may only develop a few mild symptoms. Colds, more than anything, are very annoying and you just want to feel better to leave the sickness behind you. 

Common symptoms of a cold include runny or stuffy nose, sore throat, mild headache, sneezing, coughing, or low-grade fever. These symptoms usually last for about one week, but they can last longer in older adults, young children, or people with weakened immune systems. It is very common for adults to get two to three colds yearly, while children get them more frequently. 

It is very easy for a cold to spread. An infected person can sneeze or cough in your vicinity and you inhale microscopic droplets that contain the bacteria or virus. You can also touch a contaminated surface before touching your face and develop a cold that way. Given that there are over 200 viruses that can cause a cold, catching one is relatively easy. The rhinovirus is the most common, but  enteroviruses, human parainfluenza (HPIV), adenovirus, and coronavirus (the common cold version) can all cause common cold. Continue reading to learn more about the types of common colds. 

Enterovirus

Enteroviruses belong to a group of over 300 viruses, including echoviruses, polioviruses, coxsackieviruses, and rhinoviruses. These viruses can cause a range of illnesses, but the rhinovirus is the most common cold-causing virus. Other enteroviruses, including enterovirus D68 and coxsackievirus, can cause respiratory symptoms. There are non-respiratory enterovirus illnesses that can cause conditions such as hand, foot, and mouth disease, or aseptic meningitis. Common symptoms of enterovirus include cough, fever, runny nose, sore throat, wheezing, or pneumonia. 

Rhinovirus

Rhinoviruses account for about 50% of common cold cases. Although they can spread throughout the year, rhinoviruses are most active in the spring and early fall. They spread easily in crowded places, such as offices, schools, and public transportation. Symptoms, which can include cough, mild sore throat, sneezing, mild fever, or runny nose, tend to go away in seven to 10 days. Rhinoviruses can also cause other problems, such as ear infections, breathing issues, or sinus infections, especially in people with allergies or asthma. 

Adenovirus

Adenovirus can cause cold symptoms that last for longer than symptoms that result from the rhinovirus. In fact, some people can experience these symptoms for weeks, or months. This virus is more common in the early spring and winter, although it can occur year round. Common colds caused by the adenovirus can spread easily in hospitals, schools, daycares, and military barracks. Symptoms can include cough, runny nose, fever, and sore throat. That said, adenovirus is also known to cause conjunctivitis (pink eye) and bladder infections or diarrhea. 

Coronavirus (Common Cold Version)

Before anyone even knew about COVID-19, coronaviruses were a typical cause of common colds. In fact, coronaviruses account for nearly 15% of seasonal colds, usually peaking in the winter. Coronavirus colds are usually mild and tend to last for one week, but they can lead to more serious issues, including pneumonia, for people with weaker immune systems. The common cold coronavirus is different from the coronaviruses that cause COVID-19. If you have symptoms of COVID-19 virus, however, you can test for your own safety and the safety of others. Common symptoms of coronavirus colds include sneezing, runny nose, stomach problems (not too common), mild cough, and occasional low-grade fever.

Human Parainfluenza Virus

Human parainfluenza virus (HPIV) can cause infections in the upper and lower respiratory tract. That can affect airways in children under five years old, immunocompromised adults, and elderly people. There are four types of HPIV, with types one and two being the most common in fall. Type three occurs annually and is most common in spring and early summer, while type four tends to affect people year round. Symptoms of HPIV include fever, sore throat, stuffy or runny nose, cough, or chest pain, shortness of breath, and wheezing.

Determining which virus is behind your cold can be a little tricky, but certain patterns can clue you in to some degree. A barking cough usually indicates croup from HPIV, while a cold with pink eye comes from adenovirus. Your healthcare provider may want to run tests to detect the virus, depending on the severity of symptoms. 

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The nose is susceptible to dryness in both summer and winter weather. Both seasons, although they are literally hot and cold, can have severe dry weather, which is not kind on your nose. The lack of humidity, which is more common in dry, desert areas in summer, can dehydrate the mucous membranes in the nostrils. Indoor, air-conditioned spaces can also cause dryness.

Ever notice that you feel congested after being in dry heat and then transitioning to a cold indoor space? Dry air can make you feel like you have nose crustiness, or even dry boogers. Mucus plays an integral role in the body, protecting it from viruses and bacteria. Mucus is sticky, which helps to trap foreign particles, which the body then removes. Additionally, mucus contains antibacterial properties that help fight infection. 

Beyond dry weather, vaping, smoking, and certain medications may cause nasal dryness. As if there weren’t enough reasons to quit smoking! Now, we’ll explain a variety of remedies that may help prevent your nose from drying out. 

Don’t Forget To Hydrate

Drinking water throughout the day can help you avoid dehydration, which is especially important in the summer heat. Keep a reusable water bottle on hand and don’t forget to keep filling it up. In addition to hydrating your organs and systems, water also helps to keep the nostrils moist. Aim to drink half your body weight in ounces of water each day to optimally hydrate. If you weigh 180 pounds and divide that by two to get 90, aim to drink 90 ounces of water per day. 

Take A Hot Shower Or Bath

A steamy hot shower or bath in the middle of summer may not sound like the most appetizing activity, but it may help relieve nasal dryness. The steam may temporarily relieve a dry or itchy nose. You can even use homemade shower melts to help relieve congestion. Consider adding a few drops of eucalyptus essential oil to your bath to help you breathe better. 

Use A Humidifier

Some people have a humidifier installed in their home, so they can monitor humidity levels at all times. You can also use a portable humidifier to introduce moisture into a room in your home. This is especially beneficial if you tend to experience a dry nose at night. That may help you avoid allergies, illness, or overall stuffiness while you sleep. If you are traveling, humidify the space by hanging wet towels in various places around the room. 

Try Saline Sprays

A nasal saline spray can help keep your nostrils nice and moist. How often you’ll need to use one of these sprays will depend on the person, and the level of nasal dryness. Usually, you use a spray twice a day, or once every four to six hours. If you find that you have to use nasal sprays all the time, consider a gel, which lasts longer. A saline gel is preferable to olive oil, coconut oil, almond oil, or petroleum jelly, which some people try with cotton swabs. You don’t want to inhale those home-based remedies into your lungs, though. 

Experiment With Damp Cloths Or Wipes

Sometimes, all you need is to apply a warm, wet washcloth to your face to help moisten the nasal passageways. You can do this several times a day to provide relief, according to the National Library of Medicine. You can even use a wet wipe or baby wipe to help moisten the inside of your nose. 

Use A Nasal Rinse

You may be familiar with a Neti pot if you have a cold and want to get rid of congestion. This form of nasal irrigation may also help relieve a dry nose. According to the Food and Drug Administration (FDA), Neti pots use a saline solution to moisten the nasal passages, which are exposed to dry air. Make sure to read the instructions before you rinse out your nostrils. Neti pot sells its own saline solution, but you can also make your own with distilled water, baking soda, and salt.

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Fall and winter, besides being associated with the holidays, are considered cold and flu season. At the moment, though, the United States (U.S.) is in the middle of another COVID-19 summer surge. Surveillance data from the Centers for Disease Control and Prevention (CDC) states that high levels of the virus have been detected across most of the country. With the exception of 19 states, COVID-19 cases are very high, especially in the western part so the U.S.

Although it is inconvenient, it is very normal for COVID cases to spike during the summer. In fact, it has happened every summer since COVID-19 arrived on the scene. Why do cases increase, though? Below, we will explain why it tends to happen during the summer months and how you can protect yourself from the virus.

What Is A Summer Surge?

A COVID summer surge is defined by an unexpected increase in the number of COVID cases during the summer months, according to infectious disease specialists. Other than allergies, mild infectious illnesses like the cold and flu are common during fall and winter. That said, viruses can surge any time of the year. A COVID surge in the summer is common because people travel more and gather in large groups indoors and outdoors. 

The virus continues to evolve and stays ahead of the immune system. The immune system recognizes the infection of past variants as new ones appear, which can lead to an increase in new infections. And over the years, health experts have observed a big surge in COVID-19 cases at the beginning of summer. 

What Is Causing The Current Surge?

There isn’t just one cause that health experts can blame for the increase in COVID cases. The first of many causes is that people do not have immunity to the new variants. Immunity to prior COVID infection is short-lived. In fact, immunity can wane after just three months. That means that you need a new strategy if you plan to rely on your immunity to protect against COVID-19 infection. Perhaps that looks like getting a COVID booster vaccine, which is given out similarly to the flu vaccine nowadays. 

The COVID-19 FLiRT variants are largely driving this summer surge, though. These variants are more adept at evading the immune system. The weather may also factor into the equation. Some health experts explain that the emerging variants potentially thrive more in the heat than they do in the cold. That could cause an increase in COVID cases in the summer, as opposed to late fall and early winter. Additionally, the extreme heat, which is present across the country, drives people to gather indoors. 

Is it possible that the 2024 Summer Olympic Games will cause an uptick in COVID-19 cases? It’s always possible because large gatherings, be they indoor or outdoor, are the perfect environment for the virus to spread easily. That is true for people having guests over to their houses to watch the Olympics, or for attendees watching the games in person. In fact, there is already evidence of some olympic athletes testing positive since the start of the Summer Games. 

Will The COVID Surge Continue?

Health experts anticipate that the surge will continue as summer comes to a close. As long as people gather indoors and travel, transmission remains a worry. That said, infectious disease specialists are hopeful that another surge will not hit until late fall, or even early winter when people travel to see family for the holidays. If people take precautions, though, there is a chance that another spike in cases will not occur. It’s also possible that another surge will not be as big as the summer surge. 

How Do You Protect Yourself During Surges?

In order to prepare for a surge and reduce your risk of infection during summer, health experts encourage the following:

• Test regularly for COVID-19, especially if you live with high-risk individuals
• Open your windows if you have a large gathering
• Practice good hygiene by washing hands regularly and using hand sanitizer
• Wear a mask in crowded indoor spaces, especially if you have a loved one who is immunocompromised 
• Use a HEPA air filtration system to reduce the risk of transmission
• Stay up-to-date on boosters and vaccinations

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If you start to feel a stuffy nose, you likely know what lies ahead. Before long, you feel a lot of sinus pressure and you cannot drain them properly. Perhaps you feel a headache from either the intense nose blowing or general congestion. You most likely have a sinus infection, or one has begun to brew. 

What Is A Sinus Infection?

A sinus infection, or sinusitis, is the inflammation of tissues in the sinuses. Your sinuses are the spaces in your forehead, cheeks, and nose typically filled with air. A sinus infection can cause facial pain, stuffy or runny nose, and occasional fever. More often than not, you can attribute a sinus infection to the common cold, but other viruses, fungi, bacteria, and allergies can cause sinusitis. 

If you experience long-term sinus infections, then you may have forgotten what it’s like to breathe properly. Is one nostril always clogged? There is no need to live with blocked sinuses, especially when there are many natural remedies that can relieve sinus pressure. 

Is It Sinusitis, COVID-19, A Cold, Or An Allergy?

Colds, allergies, sinus infections, and COVID-19 have very similar symptoms. The common cold typically builds, peaks, and then slowly disappears. It can last anywhere from a couple days to a couple weeks. Nasal allergies cause itchy eyes and nose, sneezing, congestion, runny nose, and postnasal drip. Allergies don’t tend to cause the same facial pain the sinus infections do. Additionally, COVID-19 tends to cause symptoms like shortness of breath and fever. 

If you want to avoid over-the-counter (OTC) drugs and experiment with natural remedies to help promote healthy sinuses, experiment with essential oils. The following remedies can help with nasal decongestion. 

Steam Inhalation 

This blend works to promote drainage and helps clear out the sinuses. In order to do this, you’ll need to follow the recipe below. 

Ingredients:

• 3 drops rosemary essential oil
• 3 drops peppermint essential oil
• 2 drops eucalyptus essential oil
• A blow of hot, steaming water

Instructions:

• Five to 10 minutes before you engage in this natural remedy, clear your nasal passages by blowing your nose. You can use a xylitol-based sinus spray to enhance the clearing if you want. 
• Add your essential oils to a large, non-reactive bowl filled with boiling water. 
• Grab a large towel, cover your head with it, and lean over the bowl, allowing the towel to create a tent over the bowl.
  Keep your eyes closed and inhale the steam vapors for five to 10 minutes. Repeat several times per day. 

The Cajeput Bath

Cajeput essential oil is distilled from the branches and leaves of the cajeput tree. This is a subtype of melaleuca, which is indigenous to tropical regions of Southeast Asia and Australia. It is a strong, antiseptic oil that can directly combat sinusitis, especially when inhaled via steam vapors.

Ingredients:

• 6 drops cajeput essential oil
• 1 tbsp jojoba oil

Instructions:

• Add the cajeput essential oil and jojoba oil to a small glass bowl and stir to combine. 
• Draw a warm bath and add the oil mixture to the running water. The water doesn’t have to be very hot. 
• Soak in the bath for 15 minutes and repeat this treatment once per day until symptoms subside. 

Warm Compress

For this remedy, you essentially soak a cloth in warm water that contains various essential oils. You then drape that soaked cloth over the nose and sinus area for as long as you desire. This should help clear the nasal passages. 

Ingredients: 

• 1 drop of each eucalyptus, peppermint, pine, tea tree, and lavender essential oils
• 1 cup warm water
• 1 clean piece of cloth

Instructions:

• Pour one cup of warm water in a non-reactive bowl and stir in the essential oils. 
• Soak your cloth in the bowl of infused water. Wring out enough water so the cloth doesn’t drip. 
• Place the cloth over your nose and sinus area for as long as you want. Repeat often, but be careful to not allow the mixture to drip into your eyes. 

Diffusing Blend

If you are not the type of person to hover your face over a steamy bowl of sinus-cleansing vapors, a sinus relief blend in a diffuser may be more your speed. 

Ingredients:

• 5 drops tea tree oil
• 5 drops eucalyptus essential oil
• 3 drops thyme essential oil

Instructions:

• Add the essential oils to a diffuser with some water and turn on the diffuser. Make sure that your diffuser can diffuse essential oils before you add them. 
• If you don’t like that blend, you can use the same measurements for marjoram, lavender, and myrtle essential oils, respectively.

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Watch out, kids, there’s a new COVID-19 variant in town! The variant known as KP.2, nicknamed FLiRT, is the top COVID-19 variant in the United States, according to the Centers for Disease Control and Prevention (CDC). This data shows that FLiRT has spread faster over the past month. 

The KP.2 variant accounted for 16% of COVID-19 cases at the end of April 2024. Now, it makes up more than 28% of all COVID-19 infections. KP.2 belongs to a new group of strains in the omicron family, which have been dubbed FLiRT. This name is short for the technical names of mutations on their spike proteins. Scientists note that the mutations assist the virus in invading the body, despite immunity from previous infection of vaccination. Experts note that another variant KP.1.1 is now responsible for 7.5% of infections, so appears to be gaining momentum. 

Symptoms Of The New FLiRT Variant

The KP.2 and KP.1.1 variants are spreading quickly, but there is no indication of them being more dangerous than recent prevalent strains, including JN.1. As of now, medical experts note that there are no new symptoms of FLiRT variants. That said, it may be too early to know exactly what all the symptoms are, according to the World Health Organization (WHO). At this point, the common symptoms of the new COVID-19 FLiRT variant KP.2, and other FLiRT variants, include:

• Nasal congestion, or runny nose
• Fatigue
• Sore throat
• Muscle or body aches
• Fever or chills
• Headache
• Diarrhea
• New loss of taste or smell
• Nausea or vomiting
• Shortness of breath or difficulty breathing

The New Variant Will Hit Some People Harder Than Others

Although the KP.2 variant may avoid immune defenses more effectively than previous COVID-19 strains, most people will only experience mild symptoms after infection. Those people will either have already had prior infection or vaccination, both of which provide sufficient protection to fight severe illness. 

Infectious disease specialists agree that symptoms of the new variant appear very similar to those caused by previous variants. If people did not get vaccinated or haven’t had COVID-19 infection in a while, symptoms may be more severe. Experts warn that people who lose their sense of taste or smell may potentially, although rare, experience shortness of breath as well. Difficulty breathing may occur about seven days after symptoms start. 

A person’s risk of severe illness from COVID-19 increases if the person has underlying health conditions. Heart disease, chronic lung disease, obesity, diabetes, or chronic kidney disease can increase the risk of experiencing severe COVID-19 symptoms. Additionally, babies under six months of age and pregnant women also have a greater risk of serious infection.

A Small Summer COVID Wave May Be On The Horizon 

Health authorities expect an increase in COVID-19 infections with the highly transmissible KP.2 variant with summer approaching. The data is beginning to show an increase in cases in some parts of the U.S. and parts of Europe, including Spain. Data from the U.K. revealed an uptick in COVID-19 cases, which were likely fueled by the FLiRT variants. 

It’s important to note that serious illnesses have declined since the height of the pandemic. That said, the CDC reminds the public that COVID-19 is still a threat, especially to people with underlying health conditions. Minimizing the spread within immunocompromised groups can help reduce the risk of serious illness from COVID-19. The virus, like the flu virus, will continue to evolve, so keep tabs on these changes and adjust as you see fit.

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From diet and alternative remedies to deep breathing and exercise, many things can boost immune function. A new study found that short bouts of exercise (just 15 minutes at a time) can improve the immune system. The findings come from the American Physiology Summit, which recently took place in Long Beach, CA. Short bursts of exercise increased the activity of natural killer (NK) cells, which are white blood cells that fight both cancerous and infected cells in the body.

As of right now, the study has not been published in a peer-reviewed journal. Even still, this isn’t the first study linking exercise to higher levels of NK cells in the bloodstream. Additionally, the number of NK cells appears to increase just minutes after engaging in physical activity. Researchers from the new study said that findings only add to the growing mound of evidence that increasing NK cells may offer better protection against diseases and infections. That is why short bouts of exercise are enough to activate the immune system and increase NK cells in the bloodstream.

15 Minutes Of Exercise May Improve Immunity

The recent study involved 10 participants between the ages of 18 and 40, making it a very small study. Each participant rode a stationary bicycle for 30 minutes at moderate intensity. Before the participants started cycling, the researchers drew blood samples. The researchers drew more blood after 15 minutes on the bike, and then again after 30 minutes on the bike. After 15 minutes of cycling, researchers observed that levels of NK cells increased. They did not continue to increase after 30 minutes of cycling. Researchers note that these findings suggest that 15 minutes of physical activity is enough to boost NK cell production, which aids immunity.

How Do NK Cells Keep You Healthy?

NK cells do not require previous exposure to a pathogen to identify and attack it, which makes them different to other immune cells. NK cells help destroy infected and diseased cells, such as cancer cells. These cells are always on the lookout for malignant cells, meaning that higher levels of NK cells in the body may improve the prognosis of different types of cancer. One report found that different NK cells were associated with survival in people with colorectal cancer. 

Exercises Boosts Immunity In Other Ways

In addition to boosting NK cells in the body, physical activity causes the body temperature to rise. Most viruses and bacteria can easily survive in normal body temperature. Research states that heat makes it harder for these viruses to survive. Physical activity also helps to lower stress levels, and lower levels of cortisol has been linked to better immune function. Reducing stress levels can also improve symptoms of depression and anxiety. Depression and stress can lead to chronic inflammation, which impacts the body’s ability to fight off infections. 

Conclusion

Prolonged bouts of intense exercise can suppress immune function, which is why allowing the body to rest between workouts is paramount. Create a thoughtful approach to your exercise regimen, with the goal of exercising regularly with proper rest and recovery time. Keep in mind that just 15 minutes of exercise can help improve immune function by enhancing the production of NK cells. Elevated levels of these white blood cells can help fight infected or cancerous cells in the body, which may offer better protection against diseases and infections.

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According to the current rules, the Centers for Disease Control and Prevention (CDC) instructs people to isolate themselves for at least five days once they test positive for COVID-19. That may change in the coming months because the CDC may issue new guidelines. The new guidelines would depend on symptoms and not merely a positive test result. This marks a shift from how people currently attempt to reduce the spread of COVID-19.

The new guidelines state that you can end isolation if you are fever-free for 24 hours and have mild or improving symptoms. Changes to existing guidelines would not go into effect until at least April, which is the end of respiratory viral season. Health experts agree that that is a wise choice, given the presence of influenza, RSV, general viruses, and COVID strains that are currently circulating. This would be a big transition from current protocols, with some arguing that the newer guidelines are dangerous. Others agree that not everyone can afford to isolate. Here’s how infectious disease experts feel about the potential upcoming changes. 

New Guidelines Rely On Personal Responsibility

Most infectious disease experts agree that you should not go to work when you are sick, no matter what sickness you have. Taking time to rest and heal is paramount, and not going to work helps reduce the spread of whatever virus you have. Changing COVID-19 isolation guidelines, then, essentially normalizes COVID-19, along with other viruses that can cause respiratory illnesses. 

It is up to the individual to be responsible and honest about symptoms. If the symptoms are bad, they should not go out in public. When symptoms improve, they should continue to take precautions, like wearing a mask inside public spaces, for example. Once the person does not have a fever and symptoms are either improving or generally mild, experts agree that it is reasonable to return back to the outside world. It is, however, possible that the new guidelines will suggest people to wear masks upon returning to work. 

The new guidelines also take into account that more people are protected against severe disease or hospitalization and death. Gone are the early days of the pandemic, when most people didn’t have any immune protection. Infectious disease specialists agree that people have built up a certain level of community immunity, so the new guidelines seem reasonable. 

The Change Addresses The Fact That Most People Cannot Miss Five Days Of Work

If the person works from home, which became a popular method of employment during the pandemic, then missing work doesn’t really factor into the equation. You don’t have to leave your house, therefore you don’t have to worry about infecting fellow employees. If people work in an office or in a physical location, missing work for five days may not be easy or possible. Plus, people tend to rely on at-home testing more so than a test from a doctor’s office. 

Many employers may not be willing to accept an at-home test as a reliable confirmation of COVID-19 infection. A test may be required from a doctor, so it is harder for people to abide by at-home isolation requirements these days. 

Could New Guidelines Threaten High-Risk People?

In some places, more so than others, COVID cases have dropped this year. Additionally, experts note that those who contract the virus have had lower severity of significant illness. That said, some people continue to experience complications, such as severe disease, that require hospitalization, or symptoms from long COVID. Is it true that many people recover just fine from COVID without serious symptoms? Yes, but people with weak immunity, even if they got the vaccine and boosters, may not have a protective immune response against the virus. 

That means that a significant number of people have an increased risk of severe symptoms that result from COVID-19 infection. Because of that, it is the responsibility of the people with stronger immunity to take precautions if symptoms are mild. Wear a mask in public if you don’t have a fever and are no longer isolating. That can go a long way in limiting the spread of the virus to people who are highly vulnerable. 

There is still a risk to reentering the public with active COVID-19 infection. Infectious disease experts hope that masking becomes more of a norm if people come out of isolation with mild symptoms. Masking is more commonplace in other countries, but there is still a general stigma around it in the United States. If you do not feel well enough to go out, wear a mask so that you don’t spread whatever you have to your loved ones, coworkers, or community. 

COVID-19 Isn’t Gone

COVID-19 is not gone forever if the CDC changes its guidelines. Many experts agree that COVID is here to stay, and the public needs to understand that, even if it isn’t the primary news story. Do all that you can to protect and care for yourself and others, especially those who have weaker immune systems or existing health conditions. All experts can do is encourage people to do the right thing, but it will be interesting to see what the CDC’s new guidelines are and how they affect the spread and infection rates. Even though COVID-19 may soon be viewed as an endemic disease, it is by no means an insignificant illness.

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