Reuters: Health News: Working out when to exercise in the cold and flu season

Working out when to exercise in the cold and flu season

NEW YORK (Reuters) - Sniffles, runny noses and flu-like symptoms can deter, delay and even derail many exercisers just when enthusiasm for that New Ye...

Source: http://feeds.reuters.com/~r/reuters/healthNews/~3/xHUuRbpM66Q/us-fitness-weather-idUSBRE91A08I20130211