10 Things You Didn’t Know About Colds
2. The best cold-fighting weapon may be your tennis shoes.
Your medicine cabinet may be stocked with the latest cold-fighting medicines, but when it comes down to it, experts say the best way to protect yourself isn’t with a pill, but by breaking a sweat. Appalachian State University researchers have studied how the immune system and viruses are affected by exercise, and the findings are fascinating: Any exercise, however limited, is great. The researchers say that if you really want to ward off colds this winter, you’re best off working out at least 5 days per week—but no marathon-training is required. A brisk 30-minute walk 5 times per week does the trick to cold-proof your immune system. “Mild exercise is good as it moves the blood around the body and also moves the immune white cells around to search for infection,” says Dr. Eccles.
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