Eat More Omega-3 Fatty Acids

Don't just slap anything with fins onto your plate: You want fatty fish, such as salmon, sardines, and lake trout. They contain the omega-3 fatty acids DHA and EPA, which many studies show help prevent sudden death from heart attack. Omega-3s may also help ward off depression, Alzheimer's disease, and age-related macular degeneration, a leading cause of blindness—and maybe some cancers. For better skin take 1,000 mg of omega-3 oils a day—this is also the recommended dosage to keep your heart in tip-top shape.