While the cold is very contagious, stimulated by more than 100 viruses that spread from contaminated surfaces or inhalation took it and rubbed it in your eye or mouth or a nostril. But beyond washing hands frequently, there are a number of ways you can raise their immunity:
1. Capture more zzzz. A study published today in the Archives of Internal Medicine confirms what Mom always said: You need more sleep. After exposing healthy volunteers to a cold virus, the researchers found that those who slept less than seven hours a night were about three times more likely to become ill than those who, on average, slumbered for eight hours or more. Even the smallest disturbs normal sleep (such as difficulty falling asleep or waking during the night) had an impact: participants who have lost only 2-8 percent of their total sleep time is about 10 to 38 minutes to eight hours of sleep, had nearly four times the risk of becoming ill than those who fell asleep quickly and sleep well.
"This is the problem in this impressive study," says Sheldon Cohen, professor of psychology at Carnegie Mellon University who led the research, "which the disturbances, even in relatively small sleep have a significant impact on susceptibility to catching a cold. "The ideal: falling asleep within 10 minutes when the head hits the pillow.
2. De-stress. People under persistent stress, lasting a month or more, are more likely to become ill when exposed to cold viruses than those who are not, according to Cohen's previous research. Marital conflict, the ongoing conflict with family or friends, unemployment, having a job that is not related to its ability, all seem to wear down the resistance to colds, says Cohen, and the risk increases with duration of these "factors stress "last. A day or week taxation, for example, does not seem to make a difference. While Cohen admits that it is not so easy to overcome chronic stress, people can benefit from trying meditation, for example.
3. Expand your social life. Cohen Group also found that people with different social networks, which means that different types of social relationships, have a better immunity to cold germs than those with smaller social circles. This is consistent with a body of evidence that the socially tend to live longer than those who are isolated, says Cohen. While some experts have argued that the quality of relationships, not the quantity of relationships that matters, Cohen said his data indicate that these factors are fairly interchangeable. Mixing with more than, for example, a spouse can make a good body.
4. Year. In addition to helping people to stay in shape, exercise has been shown to support the immune system, says William Schaffner, chairman of the department of preventive medicine at Vanderbilt University School of Medicine and a spokesman for the Infectious Diseases Society of America. In addition, the data suggest that modest exercise can actually help people with a cold feel better soon, he said.
5. Do not bother with echinacea. A 2005 study published in The New England Journal of Medicine, found that echinacea extracts of three different preparations of non-substance has kept the participants exposed to a cold virus become ill, en 'does not help alleviate their symptoms compared to the placebo. "Those of us who are in the field of medicine and public health science think that question has now been put to rest," said Schaffner. While some herbal enthusiasts may argue that the study does not cover all the preparation or dosage, Schaffner considers the matter closed. "I am now definitely convinced that echinacea is not helpful in trying to prevent a cold '
6. Some vitamin C probably will not hurt. Studies on the usefulness of vitamin C against colds "come down on both sides of the fence," said Schaffner. Useful or not, there is probably little harm in taking vitamin popular as long as people remember to keep hydrated, he said. Some people seem to think that if a little 'of vitamin C is good, then take a lot must be better, that's not true. If a person is dehydrated, vitamin C can crystallize in the kidneys and bladder, creating stones.
7. Mom was probably wrong to wet hair in the winter. Being wet and cold weather makes people more vulnerable to colds? Probably not, says Schaffner.
Ultimately, while it is possible to reduce the chances of getting sick, the reality is that "you will get a cool though, it's like," says Aaron Glatt, president and CEO of New Island Hospital in New York and a spokesman for the Infectious Diseases Society of America.
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