Sister to Sister

Research suggests that eating omega-3 fatty acids lowers your chances of dying from heart disease. Fish that naturally contain more oil—salmon, trout, herring, mackerel, anchovies, and sardines—are good sources of omega-3s. Other sources include canola oil, soybean oil, walnuts, and ground flaxseed, and flaxseed oil.

Source: Agency for Healthcare Research and Quality.