More Evidence Healthy Living Brings Long Lifes - Good diet, no smoking, regular exercise lower chronic disease risk by 80%, CDC study finds. To learn more, visit this month's fitness section.

Medicines Top Source of Kids' Poisonings - Over 70,000 children per year take painkillers, other drugs and end up in the ER, CDC says. Find out more in this month's family and home section.

Optimism Good for Heart and Longevity - Less cardiovascular disease, fewer deaths among the cheerful, study finds. Learn more in this month's mind and body section.

Antioxidants Abound in Cereals, Popcorn, Whole-Grain Snacks - Study finds these foods contain high levels of polyphenols. Learn more in this month's nutrition section.