Exercise May Help Beat the Common Cold - Each bout of aerobic actvity revs up the immune system, study authors suggest. To learn more, visit this month's fitness section.

Gun-Safety Talk a Safe Bet for All Families, Experts Say - Only 48% of parents without firearms have discussed gun safety with their kids, poll finds. Find out more in this month's family and home section.

Stressful Jobs May Raise Women's Heart Attack Risk, Study Finds - And worrying about job loss seemed tied to more heart disease risk factors, researchers add. Learn more in this month's mind and body section.

Eat Your Fruits & Veggies for Longer Life - Antioxidant alpha-carotene seems tied to lowered death risk, researchers find. Learn more in this month's nutrition section.