Exercising with respiratory infections

Q. I do my best to exercise every day, either walking two miles in good weather or riding my exercise bike for 30 minutes on wet or cold days. Should I keep going when I catch a cold, or would I be better off resting?

A. Congratulations on your fine exercise program. Since you are working out at a moderate level, it is important for you to exercise nearly every day — but it's also important for you to obey the first commandment of exercise: Listen to Your Body.

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