For people who are healthy and who don’t have a decline in memory and thinking skills, it appears that dietary omega-3 fats may help preserve thinking skills. It is unclear if omega-3 fats from fish oil pills offer the same protection. Eating omega-3s in fish may also be linked to a lower risk of developing cardiovascular disease, because omega-3s may help to ease inflammation, maintain a steady heartbeat, and prevent blood clots. Both the federal government and the American Heart Association recommend eating two servings each week of fatty fish such as salmon or mackerel.
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