How can I avoid getting sick in the winter?

You can avoid getting sick in the winter by practicing good handwashing, getting an influenza vaccination, and most importantly having a healthy diet and getting regular exercise to improve your immune system.
Dr. Michael Roizen, MD
Internal Medicine
There are several theories as to why we get sick in the winter. It might be because we huddle in confined areas to avoid the cold, or that we become deficient in vitamin D from lack of sun so our immune systems are compromised. It also may be that microbes survive a lot longer in cold weather and low humidity, so they can hang out longer before infecting us.

No matter what the season is, the real secret to preventing infection is making sure you keep your hands clean. In fact, it's the single best way to stop the spread of illness-causing germs. But you can't just hastily wash; you need to make sure you use proper hand-washing technique to get those germs off your mitts.
You: Being Beautiful - The Owner's Manual to Inner and Outer Beauty

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.