Salmon consume large amounts of astaxanthin from their diet of algae, and you can benefit from this antioxidant when you eat the fish. Clinical trials have proven the anti-aging effects of astaxanthin; it was shown to fight cellular damage to DNA caused by oxidants, one of the most effective ways of slowing the signs of aging. Salmon also has high doses of omega 3 fatty acids, which help ease joint pain and increase brain function.

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