Eating oily fish has also been linked to bigger brains ... learning and cognition. High Omega-3 intake was associated with a 16% lower risk of death from heart attack or stroke.

The healthiest fish to eat are rich in nutrients like omega-3 fatty acids, iodine, selenium, vitamin D, and amino acids. Many types of fish are also low in calories and high in protein.

A standard 3-ounce serving of baked herring contains the following: While fish itself is typically healthy for you, it’s important to check where the fish you eat was caught. Many ocean-caught ...

The research relates specifically to supplements, rather than omega-3 derived from eating fish, with experts still suggesting the latter is good for the heart, as well as general health.