Peter Ardito/Fitness MagazineBy Paige Greenfield
Colds are not sexy. But did you know that your sex plays a role in whether you catch one?
Young women fight off colds better than young men do, a recent Australian study revealed. However, the gender advantage, which researchers suspect is related to hormones, disappears after menopause.
And decades before that, your immunity begins to wane in other ways. As you get older, some of your key defenses against colds and the flu, called naive immune system cells, dwindle, and this may contribute to an increased risk for getting infections and catching viruses. "The younger you are, the more naive immune system cells you have," says Rohit Katial, MD, director of allergy and immunology clinical services at National Jewish Health Hospital in Denver. "Every time you encounter an illness, these cells build immunity against the infection. When you come into contact with the same virus in the future, your immune system reacts stronger and faster, so you may not getRead More »from 6 Ways to Cold-Proof Your Winter