Is there anything omega-3s can’t do? These anti-inflammatory fatty acids, found in cold-water fish (such as salmon, tuna, herring and mackerel, and also in some other seafood), have already been shown to exert a protective effect against heart disease, depression, diabetes and arthritis.
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Researchers from the Johns Hopkins School of Medicine, writing in the journal Ophthalmology, have found that people who regularly eat omega-3-rich fish and seafood have a lower risk of developing advanced age-related macular degeneration, a leading cause of blindness.
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