Doctors may tell you to cut the fat, but not all fats are unhealthy. Omega-3 fatty acids may have far-reaching health benefits. Studies suggest they help lower the risk of heart disease, the nation’s top killer. They may also protect against symptoms of depression, dementia, cancer, and arthritis.

Doctors may tell you to cut the fat, but not all fats are unhealthy. Omega-3 fatty acids may have far-reaching health benefits. Studies suggest they help lower the risk of heart disease, the nation’s top killer. They may also protect against symptoms of depression, dementia, cancer, and arthritis. Omega-3s are found in salmon, nuts, leafy greens, and more – but the health benefits can differ greatly from one source to another.