People with type 2 diabetes who ate a high-fiber diet - 50 grams a day - not only lowered their cholesterol level, but also their blood glucose level. Foods rich in fiber include whole grains and fruits and vegetables such as cantaloupe, grapefruit, raisins, lima beans, sweet potatoes, and zucchini.
New England Journal of Medicine, Vol. 342, No. 19

An eight-year study examined the effect of moderate exercise on women's stroke risk. Participants were female nurses ages 40 to 65. The more hours a week they swam, biked, ran, jogged, played tennis, or walked briskly, the less likely they were to have a stroke.
Journal of the American Medical Association, Vol. 283, No. 22

Eating fish can help lower the risk of several cancers. Two or more servings offered even more protection.
American Journal of Clinical Nurtrition, Vol. 70, No. 1