You require a special suit to actually go into those Caves (the above quote is describing the lead up to the Cave itself), and you can only be there for like 10 minutes before you have to leave or die. For children over age 1 and for adults, honey mixed with warm water is effective for soothing the sore throat that often accompanies a sinus drip, saysBarbaraRolnick, MD, a pediatrician at the Childrens Hospital of Philadelphia Primary Care Practice Network. Its also helpful for soothing a sore throat. Find out what to expect from your newborns first cold. Most often, this occurs when people dont use devices made for the task, and spill boiling water onto their laps or other parts of their bodies. As this article discusses, there are currently no medications or treatments to specifically clear the lungs. She said, "Steam inhalation helps to eliminate the mucous by melting it down. Enclosed spaces, such as boiler rooms in lower compartments of ships, this is a major concern. Place pillows under the hips to ensure that the chest is lower than the hips. This can be especially soothing during the winter when indoor air is dry. I work with steam for a living, when you walk through large clouds of steam (not sauna level crap, that is basically dry steam) you can notice the increased difficulty in breathing. Boil water in a pan and add 4-5 tulsi, eucalyptus, rose, or neem leaves. If necessary, use OTC remedies in combination with home remedies. When youre sick, sessions of inhaling steam from a vaporizer device or a bowl of hot water may help loosen up mucus in the lungs and sinuses, help with congestion, ease a sore throat, and improve voice hoarseness. A blister with yellow or green fluid forms. Conversely, steam adds warmth and moisture to the air, which may improve breathing and help loosen mucus inside the airways and lungs. You may also feel like mucus is collecting in your throat. What you do after a steam shower can make a difference in the mental and physical benefits youll gain. In new Orleans, which is very humid and below sea level, there are stories of people "drowning on dry land." Regularly clean your humidifier. You can also keep a towel above your head to cover yourself so that you can inhale steam properly. Your body needs rest as it fights the illness. Steam inhalation is a popular at-home treatment for symptoms of colds, sinus infections, and other respiratory issues. doi:10.1002/14651858.cd001728.pub6. Apple cider vinegar for postnasal drip has never been studied. By clicking Accept All Cookies, you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts. A cough would not be strong enough to propel it out of the lung's tiny airways. Mucus gathers in the lungs to catch microbes and pathogens, which can contribute to a feeling of heaviness. 4. Its generally recommended to steam for at least two to five minutes. Drink plenty of fluids. J Aerosol Med Pulm Drug Deliv. But I don't know how true they are. Controlled coughing loosens excess mucus in the lungs, sending it up through the airways. Maintaining the health of the lungs is essential for keeping the rest of the body healthy. This helps loosen the mucus and provides relief from chest congestion. First, you should make sure youre healthy enough to use steam therapy by checking with your healthcare provider. This causes one or more of these cavities to become swollen or inflamed. Steam inhalation and gargling are the most widely used home remedies to soothe nasal passages and relieve the symptoms of cold and sinus infection. These symptoms may indicate a more serious cause of postnasal drip. Drinking cold tea or water after coming from the sun can be dangerous due to the big temperature difference between your body . However, it does not help with congestion. Some of these methods may also open up the airways, improve lung capacity, and reduce inflammation, which can further help reduce the effects of lung pollutants. Press J to jump to the feed. Youll want to have a towel on hand, a good, sturdy bowl, a timer, and a kettle or microwave to boil the water. To avoid this potential risk, purchase sterile saline sprays, from Simply Saline or other brands, or make your own saline solution using water labeled distilled, or boiling your tap water for three to five minutes. Steam inhalation can ease postnasal drip by thinning mucus. Eucalyptus for steam inhalation (see below) 2. Neti pots and squeeze bottles are common options. Don't Panic! The dos and donts of easing cold symptoms. Neti pots have been used for many years as a remedy for allergies and other conditions. Do not get direct steam from the vaporizer too close to the face. If your postnasal drip is due to allergies, antihistamines could help. The air in your lungs is fully saturated at body temperature (because you are made of water, you add water to the air you inhale). Put a towel over your head like forming a tent. This starts with sore throat, heavy running nose, coloured mucus from throat, nose, finally fever. Steam inhalation is beneficial to open blocked nasal passages during cold and sinusitis. Clove is a popular spice that is a part of almost every Indian kitchen. Master The Cooldown - 7 Things To Do After A Steam Bath, . Even though steam inhalation won't cure a deadly infection like COVID, it may help make you feel a lot better while your body fights it off. Toxins from cigarette smoke or air pollution that enter the lungs can affect the whole body. Warm salt water gargles daily 5 no cold water / cold drinks / ice creams and so on 6. Nasal rinse products are available at the drugstore. Horvth G, cs K. Essential oils in the treatment of respiratory tract diseases highlighting their role in bacterial infections and their anti-inflammatory action: a review. Herbal tea to help you feel better when you're sick, especially when they contain ingredients like lemon, honey, echinacea, ginger, and . . Cell Damage. Good respiratory health depends on whether or not the body effectively removes mucus from the lungs and airways. Clove is popularly used as a remedy for dental issues. This practice may improve breathing and help treat or prevent lung infections. Wash hands after use of bath room and before and after eating food. . While it can be uncomfortable, there are, The ingredients in a hot toddy have been shown to have cough-suppressing properties. Turmeric. Coughing is the bodys way of naturally expelling toxins that it has trapped in mucus. 1. You can learn more about how we ensure our content is accurate and current by reading our. Add any combination of dried herbs you desire, stir well, and cover with a lid for 1-2 minutes. You should also talk to the doctor if symptoms seem severe or suddenly worsen. (n.d.). (An alternative is to place the child in a warm, running shower.) However, while steam inhalation does provide relief, one should note that it is not a cure for COVID. Steam therapy, or steam inhalation, involves inhaling water vapor to open the airways and may also help to loosen mucus. Benefits of Steam Inhalation for Cold. If you are underwater, then your next breath will be water too (provided you are not deep enough to be unable to breath out). Cover your head with the dry towel and bend a little towards the hot water keeping a safe distance of at least 8 to 12 inches. Postural drainage techniques differ depending on the position: Not only can regular exercise improve peoples physical and mental health and decrease the risk of many health conditions, but it can also help a person to keep their lungs healthy. But it is critical that you use water that has been sterilized, rather than liquid taken directly from your sink or shower. One can only remain for a short period of time. However, you can unintentionally burn yourself. Learn about 19 simple home remedies that can reduce mucus and phlegm. Our website services, content, and products are for informational purposes only. When inside the great cathedral of crystals, the pressure of intense heat create a gamut of emotions and perhaps hallucinations. Though the Finnish people I know are adamant that it's an excellent part of the sauna experience. Symptoms, Causes, Diagnosis, Treatment, and Prevention, 7 Natural Remedies for Pain and Pressure From Sinus Infections, Neti Pots and More: 6 Smart Nasal Irrigation Tips, Sinus Infection Prevention and Complications, Sinus Infection Causes, Risk Factors, Symptoms, Diagnosis. Aromatherapy bath salts to help clear the nasal passages, relax tension, and relieve sinus headaches. By clearing the passages, it provides you relief from symptoms of swollen blood vessels. Steam Inhalation. People may be able to use specific techniques to help clear the lungs of mucus and irritants to relieve chest congestion and other uncomfortable symptoms. A 2013 study found that inhaled menthol doesnt have true decongesting properties. Children 7 and older should be encouraged to stay back from the steam and wear swimming goggles to protect their eyes. Healthline has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical associations. We created a list of steam inhalers to suit your needs. . Inhale deeply and slowly for at least . You can also switch the inhaler to low heat settings, if possible. Additionally, drinking apple cider vinegar can damage your teeth, especially if its undiluted. Further, we asked the expert how steam inhalation during the time of cold, cough can help. Its easier and less expensive than many people think. Because children and infants are prone to these kinds of burns, its currently advised that parents and caregivers not try it. This makes it easier to cough out and clear your nasal passages. Try these 11 home remedies for your illness. Sinus infections often dont require medical treatment unless they last longer than 10 days. Avoid directly touching the water. Here are six sinus remedies to beware of. I've tried the salt it works but is not sustainable for long periods. And even if it would build up you would have to spend many days in there to be long enough. Choose non-drowsy antihistamines, which wont produce this effect. Do Steam Therapy. This is especially important if your postnasal drip is due to GERD, as alcohol can worsen your symptoms. While steam inhalation doesnt kill viruses or bacteria, it may help as your body fights off the infection. When using these, make sure to read the instructions carefully to prevent contact with boiling water. However, its cooling effect can help your nasal passages feel more open. You can also place a drop or two on a cotton ball and sniff, or use a special diffuser designed to stream it into the air. Similarly, children should not be given the drugstore decongestants that are typically a staple of home medicine chests. Follow how to use as you have been told by the doctor or read the product label. You can learn more about how we ensure our content is accurate and current by reading our. Smoking changes both the physical characteristics and functioning of the lungs. This is a form of aromatherapy. We avoid using tertiary references. Dont steam your sinuses with boiling water. . Example: a steam pipe or steam boiler develops a significant leak. As your body fights off the infectionand as you work to ease your symptomsfocus on rest and hydration, while keeping an eye out for warning signs of more serious conditions. The idea of Steam being super hot is not always correct as there are many factors at work. Additionally, any respiratory or breathing distress itself cannot be relieved by steaming, clarified Kang. Get the best viral stories straight into your inbox! Repeat several times. One advice that is often given to people with a blocked nose or someone who has a cold, cough or even the onset of a cold, is to do steam inhalation. A. The warmth of these beverages will thin your mucus. Steam Inhalation Benefits, Side Effects & How to Use | Bodywise. Last medically reviewed on June 12, 2022. Are there any dangers to inhaling steam into the lungs? Perspective from a UK burns centre, Warm steam inhalation before bedtime improved sleep quality in adult men, Heated, humidified air for the common cold, Steam inhalation and paediatric burns during the COVID-19 pandemic, Essential oils in the treatment of respiratory tract diseases highlighting their role in bacterial infections and their anti-inflammatory action: a review, The common cold (viral infection of the upper respiratory tractthe nose and throat), Ensuring the mug or bowl you use is on a steady surface, Keeping eyes closed as you inhale to prevent direct contact. Flavour Fragr J. By subscribing you agree to the Terms of Use and Privacy Policy. However, an extensive review of the literature found no reliable evidence of this. It helps ease the feeling of a blocked nose and soothes the irritation in your nasal . Heated, humidified air for the common cold. sitting down on a chair with the shoulders relaxed, keeping both feet flat on the floor, slowly exhaling while leaning forward, pushing the arms against the stomach, coughing two or three times while exhaling, keeping the mouth slightly open. Steam inhalation therapy for the treatment of respiratory conditions has been a f. In long, the only way this would happen is if you exhaled less moisture than you inhaled. Cover head and bowl with a large . "Steam inhalation loosens secretions, that's why a COVID patient shouldn't do it. People who have damaged lungs may have a harder time than others clearing mucus from their system. Visit a dealer showroom and see how easy it is to bring the wonders of steam therapy to your home wellness routine. Mucormycosis, also known as Black Fungus, is an infection that has impacted at . This would be fairly hard to accomplish because airflow is so much higher in larger airways that cooling would almost inevitably occur before the gas reached the respiratory zone (small air spaces involved in gas exchange). American College of Emergency Physicians. Additionally, a person can also incorporate certain lifestyle behaviors, such as regular exercise and eating well. Be careful, however, as there is a risk of burns, and steam inhalation is not recommended for kids or babies. In this short distance the temperature and humidity goes from being uncomfortably warm to literally a blast furnace. 2004-2023 Healthline Media UK Ltd, Brighton, UK, a Red Ventures Company. See what works for you. While more research is needed on some of the purported benefits of this therapy, some studiesalongside anecdotal evidencehave found it to have clinical value. The simplest way to create thyme-filled steam is to add 1 - 2 TBS of thyme to a large bowl. Let it cool before steam gets close to skin and mucous membranes. The present reviews addresses to the use of hot, humid air in common cold. Arrange the different parts of the steam inhaler together and add water to it. Plenty. 2021;47(3):721-727. doi:10.1016/j.burns.2020.08.010, Ichiba T, Kakiuchi K, Suzuki M, Uchiyama M. Warm steam inhalation before bedtime improved sleep quality in adult men. Just make sure you're not dehydrated before and after your steam bath by drinking plenty of liquids. Strain and take this water twice a day to keep your temperature in control. Water boils to steam, (which is not a gas nor solid, but a vapor), at 212*F at sea level. You can remove the plug of the inhaler for 1-2 minutes to ensure that the water doesn't get too hot, or it can cause burns. Repeat twice a day. A small number of studies, including onepublishedin 2016 in theCanadian Medical Association Journal, has found irrigation does improve sinus symptoms. I would suspect this is a yes, with some conditions. It is safe to do steam inhalation for 10-12 minutes a day. If you feel like mucus is dripping into your throat from your nose, you have postnasal drip. In this article, learn more about the causes of wheezing in adults and babies, and home treatments for wheezing. Steam inhalation is not advised for the kids because of the risk of scalding. Redness. Design with, Use Code BLOG20 & Unlock 20% OFF on ALL Products. Steam therapy, or steam inhalation, involves inhaling water vapor to open the airways and may also help to loosen mucus. Caffeine has a diuretic effect, which may increase your risk of dehydration. Using the peel tester, the team showed that the force of a cough could easily tear normal phlegm off a surface. Breathing: You are experiencing difficulty in breathing. 10 Steps to Avoid Sinus Pain and Congestion, 7 Things You Didnt Know About Keeping Your Sinuses Healthy. Steam therapy is an Ayurvedic remedy that is beneficial in treating respiratory tract infections. Simply drinking water prevents dehydration and helps to maintain the hydration level in the body and also regulates body temperature. The following are some steam inhalation side effects: During steam inhalation, you should avoid using hot or boiling water. No, a nebulizer should not be used for steam inhalation as it makes the vapour go to the chest directly. Brewster C, Choong J, Thomas C, Wilson D, Moiemen N. Steam inhalation and paediatric burns during the COVID-19 pandemic. 2. Some evidence notes that steam inhalation can be helpful for soothing a sore throat, loosening thick mucus, and provide benefit after being in an environment with pollutants. 13 Evidence-based Groundnut Oil Benefits That Everyone Should Know About! Any medical information published on this website is not intended as a substitute for informed medical advice and you should not take any action before consulting with a healthcare professional. RELATED:The Ultimate Winter Wellness Guide. Use of . Does apple cider vinegar work for postnasal drip? Steam provides moisture to dry mucus membranes and loosens congestion in the chest. Answer (1 of 3): Perhaps a few drops of eucalyptus oil may be better? Warm, 5-15 minutes of operation, personal use, 2 years warranty. Never use tap water, as it may contain harmful germs. Once done with everything, consider washing face with cold water after steaming to get benefitted with a glowing glass skin. Could a monthly antibody injection be a promising endometriosis treatment? 2017;2017(8). Water for steam inhalation should have a temperature of 40-45 C, but not higher than that (for the treatment of adults, the maximum allowed water temperature is 55 C). It also has anti-inflammatory properties, which may soothe irritation. Water boils to steam, (which is not a gas nor solid, but a vapor), at 212*F at sea level. But at 79 percent water, mucus clung too tightly. It is advisable for people with conditions such as COPD or asthma to consult a healthcare professional before starting a new exercise regimen. Though evidence of how well it works is mixed, it may help ease sore throat, loosen mucus, and rehydrate the sinuses. That said, you can try up to three sessions a day, as needed. Can Med Assoc J. Evid Based Complement Alternat Med. That would require your lungs to have a lower temperature and moisture content than the surrounding air. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Burns: know when to go to the ER. 3. LUSP sterile water for inhalation; . Generally speaking, therapy for these conditions centers on resting and drinking fluids while managing symptoms. If you use a steam room on a regular basisor plan on adding steam therapy to your overall wellness routineyou want to maximize its effects. Dehydration is one of the main reasons for constipation. Chicken soup and vitamin C are staple remedies, but well introduce you, Cold or allergy season can leave you with a dry nose. Congested (stuffy) nose. Foods that help fight inflammation include: Learn more about anti-inflammatory diets here. Mark Gurarie is a freelance writer, editor, and adjunct lecturer of writing composition at George Washington University. It is in this short tunnel. Burns. Rest. Steam inhalation is a prevalent home remedy to achieve relief from cold and sinus infections. Repeat twice a day. Drink at least 8 ounces of water. Instead, use water that is distilled, sterile, or previously boiled and cooled. Prolonged exposure to air of this level will result in the process of drowning or asphyxiation. Alternately, if using a bowl, boil water in a tea kettle or pot and pour into the bowl. Other herbs like mint, neem, tulsi, basil, and rosemary can also be used. In addition, it involves serious hazards due to the risk of scalding and burns for babies and children. For the first 3 to 5 minutes, inhale slowly and deeply through your nose and exhale it from the mouth. Combining chest percussion and postural drainage can help clear the airways of excess mucus. Do essential oils work for postnasal drip? What are lung irritants and how can people prevent their negative effects? Steam inhalation is a simple process of taking in steam through your nose. 11 goodies for cold and flu season: 1. Fenugreek: Soak 1 tbsp of fenugreek (methi) seeds in a cup of water for two to three hours; then boil in the same water. These remedies are available at the drugstore or grocery store without a prescription. All rights reserved. Do oil pulling in each nostril regularly. In fact, while many people claim that ". Copyright 2021 BeBodywise. Steam therapy may offer temporary relief to people who suffer from congestion or chronic respiratory conditions. Good question asked, OP.). Fish Oil Capsules Benefits in Hindi | , 1 10 | How to Gain 10 Kg Weight in 1 Month in Hindi. Avoid caffeine and alcohol, which can dehydrate you. Fold a towel in half and place it on a sturdy, heat-proof, flat surface like a counter or table. It is possible for a person to cleanse their lungs and improve lung health. Overdoing steam inhalation or adding essential or homemade oil to the water can reduce blood supply to the eyes and cause swelling or redness in the eyes. Some people breathe in apple cider vinegar by sniffing the bottle. Cochrane Database Syst Rev. Primarily, the medicinal effect of this at-home therapy is to ease the symptoms of illnesses that cause congestion, runny nose, and sore throat, such as: Theres significant evidence that steam inhalation before bed can help with sleep. You should also avoid cigarette smoke, including secondhand smoke. Sinus infections usually follow a respiratory tract infection, in particular the common cold. Five key benefits of steam inhalation for cold and sinus issues are: In the past, studies found that hot steam can kill cold-causing viruses in the respiratory system, as high temperatures can have that effect on them. 2. Skin itching. Taking a break by sipping on some water or any other fluids during long speeches or debates. The virus can be killed on surfaces using very hot water - at around 70 degrees Celsius, or hotter - as well as chemicals, but water and chemicals that are safe for surfaces are not safe for your body. To inhale steam, people mostly use bowls with hot or boiling water and some use commercially available steam inhalers. Fold the arms under the head for support. According to a study, several children had been admitted to emergency care because of burn injuries caused by steam inhalation during Covid-19. Juergens LJ, et al. These toxins eventually become trapped inside mucus. Take lukewarm water and plenty of fluids in a day. Another option is to try steam inhalation therapy: A humidifier adds moisture to the air, which can help reduce mucus. This amazing spice is loaded with multiple health benefits. (In two cases, the pot of water spilled onto them.). Cold, Flu & Cough ; Diet & Nutrition . If accompanied by other symptoms like wheezing or . Steam is quite effective in treating cold as well as nasal congestion. The history of therapeutic aerosols: a chronological review, Effectiveness of steam inhalation and nasal irrigation for chronic or recurrent sinus symptoms in primary care: a pragmatic randomized controlled trial, Steam inhalation: more harm than good? Inflammation of the airways can make breathing difficult and cause the chest to feel heavy and congested. Dry nose is also common in people in drier climates. You can inhale steam during a hot shower or bath. Moreover, moisture in the steam thins mucus in your sinuses, allowing normal breathing. That is caused by the disease, while congestion and cold-like stuffy nose are only symptoms that can be alleviated through steam inhalation. Lack of good hygiene, humid weather, and a warm climate are. A cold or sinus infection can irritate blood vessels. According to anecdotal evidence, apple cider vinegar can help postnasal drip. Visit a. and see how easy it is to bring the wonders of steam therapy to your home wellness routine. After lung pollutant exposure, a persons chest may feel full, congested, or inflamed. Learn 10 steps you can take to avoid a sinus infection and the congestion Bruce Willis Has a Rare Form of Dementia, Family Announces, Potential Male Birth Control Pill Shows Promise in Early Lab Tests. Lancet. The warm vapour provides moisture to the dry mucus membranes in the nose and throat. Everyday Health is among the federally registered trademarks of Everyday Health, Inc. and may not be used by third parties without explicit permission. Chlorinated water can cause a number of side effects, however, including dry, itchy skin and hair. Sit on a chair and bring your head above the bowl to inhale the steam. It would be possible to construct a sealed chamber and fill it with water vapor, and no free oxygen. A nasal rinse can loosen thick or excess mucus. For breathing in only as a vapor. Burn injuries due to steam inhalation are more common in children. Asked for Male, 1 Years 349 Views v. Dr. J Prabhakar Rao Pediatrician | Ghaziabad. Steam Inhalation: Boil 500 ml of water. The Sun. At the end of the tunnel there are three or four steps into the aperture of the cavern itself. Steam sessions should last no longer than 15 minutes (10 minutes if youre new to steam therapy). You can also prepare the mixture by combining 3 drops of rosemary oil and 1 drop of . Thyme, mint, eucalyptus, basil, and rosemary can all add to the benefits . This danger is why awellness guide from the University of Minnesotas Earl E.BakkenCenter for Spirituality and Healingadvises that children under age 7 never steam in this manner. Similarly, inhale slowly and deeply through your mouth and exhale it from the nose. MNT is the registered trade mark of Healthline Media. Fact of the Day: When working with steam, the primary danger comes from being a 'Gas under pressure' rather than 'boiling hot water vapor'. I didn't know you literally had them everywhere. This can cause a temporary loss of smell. View our privacy policy. Some research has even shown some of these to ease inflammation and have an antibacterial effect on bacterial sinus infections. In addition to home remedies, you can try over-the-counter treatments. Steam inhalation is a simple, fast, and effective home remedy for temporary relief from nasal blockages during colds and sinusitis. If your postnasal drip is due to a cold, the above home remedies will also treat your other symptoms. Read our, Steam Inhalation Benefits for Cold and Sinus. And antibiotics can have side effects, including stomach and bowel problems and fungal infections, theNIHsays. This is caused by thickening or overproduction of mucus. It can help get relief from nasal blockage if you have a cold. Slowly inhale through the nose and exhale through the mouth. drawing the water sample after it has passed through the piping system. Learn more about what spray might be right for you, as well as how to use them, and more. If you're using boiled tap water, cool it to lukewarm and store any extra water in a clean, closed container for use the following day (but not longer). Perspective from a UK burns centre. However, make sure that there is an appropriate distance because extremely hot vapour can cause burns. But . You can also try it if you have a hoarse voice and dry throat or cough. How often do you wake up with a stuffy nose or struggle with nasal drip when the temperature drops? While some of the benefits of steam inhalation may be lacking in clinical evidence, its worth considering as part of a broader treatment plan (and using proper precautions). Effect on day to day life: You are confused or disoriented. Steam inhalation, or steam therapy, involves the inhalation of water vapor. Many people are discovering just how affordable it is to install a steam shower in their house, condo, or apartment. Lung cleansing techniques may help people with exposure to tobacco smoke or air pollution and those with chronic respiratory conditions. "Steam helps always but it is not a cure. While you want to drink water before your steam session, you'll want to rehydrate after a steam bath, as well. Primarily causing pain and swelling, burns require emergency medical help when: Though steam inhalation can be done without the use of special equipment, there are many specialized inhalers available on the market. Some of the benefits of steam during cold may include the following: 1. Steam inhalation is a hazard - particularly for children. All rights reserved. Can diet help improve depression symptoms? the virus that causes COVID-19), nor is there any evidence that doing this will help your body fight the infection. Can I use cold water after steaming? Steam therapy is mainly done by inhaling water vapor. It is condensate that is misting that fogs up the bathroom, same as your exhaled breath on a cold day outside. propping up your head when you lie down in bed, breathe in the essential oil directly from the bottle, add a few drops to a tissue or cotton ball, then inhale, add several drops of diluted essential oil to a hot shower or bath, add several drops of essential oil to a bowl of hot water for steam inhalation. Breathing in warm steam from a shower or a boiling pot of water can help to open up your airways. While steam inhalation vaporizers make the process convenient, you dont need special equipment for this treatment. The false claim that inhaling steam prevents a person from catching COVID-19 has resurfaced on social media, prompting health experts to warn that the bogus treatment carries risks.