American scientists reveal the truth of a cold, nine things they must do after catching a cold

with the recent sharp drop in temperature and the coming season of the high incidence of colds, all kinds of good ways to prevent and treat colds have begun to attract people's attention. The latest research in the United States reveals the answers to a series of questions about what is going on with a cold and what to do after a cold.

three truths about colds

A White Paper on colds has been issued by the School of Medicine and Public Health of the University of Wisconsin in the United States, which reveals the three "one" truths about colds for us.

the first "one": a cold is a "syndrome" of upper respiratory tract infection caused by a virus, in which more than 100 viruses may cause a cold;

the second "one": generally speaking, the symptoms of a cold last for a week, whether taking medication or not;

the third "one": the starting point for cold should be the day before the onset of symptoms when the virus is already stationed in your body.

more specifically, the cold virus lurks in the body for 18 to 48 hours, and then suddenly breaks out. The earliest symptoms include sore throat, sneezing, stuffy nose, and tiredness. In English, because "cold" and "cold" are the same word, many people think that a cold is "frozen". "this is not the case. Whether you wear too little clothes, walk barefoot on the floor, or go out without drying your hair, it won't cause you to catch a cold-but it will lead to a decline in resistance and give the virus a chance to take advantage of it. "

Phyllis Brown, a registered nurse in the United States, said that in contrast, dryness is more likely to cause colds because the antiviral ability of the body's mucous membranes decreases due to lack of water.

the number of cold attacks varies from person to person. According to the US Centers for Disease Control and Prevention, children catch colds 8 to 10 times a year, and as many as 12 times go to school, not because of their poor resistance, but because children are closer and more likely to spread the virus.

in comparison, "apathetic" adults catch colds 2 or 4 times a year, with more women than men, and women in their 30s are the most vulnerable because they are the main force in child care. After the age of 60, the number of colds will decrease, an average of once a year.

it is better to have a good rest than to take medicine indiscriminately

the White Paper on colds also points out that many people do not know that there is no cure for colds. Some people will take antibiotics can not eliminate the virus, taking medicine indiscriminately may aggravate the disease.

the main effect of cold medicine is to relieve symptoms, make you feel better, and rest better, but it does not shorten the course of the disease. So, what on earth must be done after catching a cold? According to the Health News Network of the United States, the following nine things are essential.

step 1: find a bed. after catching a cold, you'd better find yourself a more comfortable bed to lie down. Don't think about going to work, and don't try to go out to parties, have fun, or play sports. Liu Young, director of the respiratory department of the PLA General Hospital, said Rest is the "best cold medicine" and must get eight hours of sleep every day. If you can, you'd better ask for leave and rest at home for 1-2 days, so that you can spread the disease to others less.

step 2: supplement vitamin C. whether taking vitamin C supplements or eating fruits rich in vitamin C, such as dates, oranges, kiwifruit, oranges, grapefruit, etc., can relieve cold symptoms. Generally speaking, sour fruits contain a lot of vitamin C. Drinking orange juice can not only supplement vitamin C but also eliminate discomfort in the mouth.

step 3: have dark chocolate. Not only does it supplement antioxidants, but research from the University of London also shows that theobromine has an antitussive effect.

step 4: turn on the humidifier. dry air in autumn and winter can make your respiratory tract uncomfortable, so placing a humidifier next to your bed or sofa can make you breathe more smoothly. It is best to wash thoroughly before use to prevent the virus from spreading through it.

step 5: eat liquid food. Hot soup and hot porridge are both good choices. The idea of chicken soup for colds has been around for hundreds of years, and British scholars have found it reasonable because some ingredients in chicken soup can reduce coughing, and steam from hot soup and hot porridge can also help relieve nasal congestion.

step 6: change to a large water cup. make sure you drink 2000 milliliters of water a day, some of which are preferably electrolyte drinks.

step 7: stay away from dairy products. Liu Young said that for dairy products that are difficult to digest, such as cheese, it is best not to eat when you catch a cold, but you can drink some milk appropriately. If you have a bad appetite, you can drink some yogurt.

step 8: take over-the-counter drugs. over-the-counter drugs such as ibuprofen, paracetamol, or cough syrup can relieve the symptoms of colds. 'These drugs don't fight the virus, but they can make you feel better, 'Mr. Liu said.

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step 9: Wait patiently for it to pass. it will take about 7 days for your illness to disappear on its own. However, if the symptoms persist or deteriorate sharply, it is best to go to the hospital to see a doctor for a diagnosis.

dealing with colds

colds are not serious diseases, but persistent symptoms make many people restless. In this regard, the "White Paper on colds" gives tips for relieving the three major symptoms of sore throat, cough, and stuffy nose.

throat pain: light saline. dissolve 7.5g salt in 250ml warm water. Gargle slowly can relieve sore throat. Gargle every 6 to 8 hours. Do not use irritating mouthwash, which may aggravate the dryness of the respiratory tract. If you swallow hard food, you'd better swallow it slowly so as not to scratch the pharynx. If your voice is hoarse, avoid talking or shouting in a noisy environment. You can also prepare some lozenges or spray, which can be used when the symptoms are severe.

cough: cough syrup. coughing is a way for the body to remove exogenous substances, but a severe cough can interfere with sleep or cause chest pain. The best way is to drink some cough syrup when the cough is severe.

snot: hot steam. it's best to use soft paper towels when blowing your nose to prevent your nose from getting scratched. Do not blow your nose too hard, the standard is that the ear can not hear the buzzing sound is appropriate, so as not to cause damage to the eardrum. If it is difficult to blow your nose, you can "smell" hot steam or peppermint oil, or use nasal drops

there is no cure for a cold. Whether or not you take medicine for up to a week, it will only make it worse.