Omega-3s may reduce cardiovascular disease
Although the government recommends taking omega-3s, most research on its health benefits has relied on self-reports of diet by people from similar ethnic backgrounds. Researchers in this study followed 2,372 people of multiethnic background for up to 10 years, measuring diet and levels of omega-3s every two years. Participants ranged in age from 45 to 84, did not have cardiovascular disease (CVD) at the start of the study, and were not taking omega-3 supplements. In the part of the study covering U.S. participants, omega-3s and seafood in the diet were low, averaging 147 mg per day of EPA, DHA, and DPA; with a low of 103 mg and a high of 203 mg of omega-3s per day. Compared to those who got the least, those who got the most EPA and DHA were 51 and 61 percent, respectively, less likely to have a cardiovascular event.

Reference: J Am Heart Assoc. 2013 Dec 18;2(6):e000506. doi: 10.1161/JAHA.113.000506.
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