Good News for Chocolate Lovers For those who love dark chocolate and cocoa, take this to heart: Your sinful addiction may actually boost your cardiovascular health. To learn more, visit this month's nutrition section.

Good Workout Works Your Brain The more time the rats spent on the running wheel, the longer their neurite length. Find out more in this month's fitness section.

Neurotics More Prone to Depression Higher levels of neuroticism in men and women predicted an increased risk for major depression, especially in stressful situations such as personal assault, divorce, major financial problems, or serious illness. Learn more in this month's mind and body section.

Taking Care of the Caregivers The long-term risk of depression among people taking care of spouses with Alzheimer's disease can be greatly reduced through counseling and support, says a study in the current issue of the American Journal of Psychiatry. Learn more in this month's family and home section.