Reduced Risk of Heart Attack and StrokeStudies show that people who regularly eat heart-healthy fish have a reduced risk of strokes, heart attacks, and heart disease fatality.  One impressively large study of 40,000 men in the United States concluded that those who frequently consumed one or more servings of fish weekly had a 15% lower risk of cardiovascular disease. Fatty fish like mackerel are especially beneficial because they’re loaded with omega-3s! 4. Dietary Source of Vitamin DA shocking 41. 6% of the United States population is low or deficient in the fat-soluble vitamin D. Vitamin D acts like a steroid hormone in your body that facilitates normal
immune system functioning. Low levels of vitamin D have been tied to various respiratory diseases and viral illnesses. Fish and fish products like cod liver oil are some of the best dietary sources of vitamin D, with tasty fish like herring and salmon in the lead. Smoked salmon, anyone?If you don’t eat fatty fish regularly or get much sunshine, you might consider taking a vitamin D supplement. 5. Protecting Vision and Preventing DegenerationEvidence suggests
fish and omega-3 fatty acids could protect against age-related macular degeneration (AMD)—a leading cause of blindness and vision loss that predominantly affects older adults.