Later On

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Omega-3 and you

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Miranda Hitti has a good summary of some recent studies of the effects of consuming omega-3 fats. Her article begins:

Omega-3 fatty acids may help some older adults avoid dementia and live longer, but they may not brighten the moods of seniors who aren’t depressed. That’s the short version of three new studies from September’s edition of The American Journal of Clinical Nutrition.

The studies focused on older adults and omega-3 fatty acids, which the body needs to be healthy and can only get from food (such as salmon, herring, walnuts, and flaxseeds) or supplements.

Though the three new studies all focus on older adults, omega-3 fatty acids are important for people of all ages. The new studies “underscore the potential importance of maintaining high dietary omega-3 fatty acid intakes throughout life,” states an editorial published with the studies.

Having high blood levels of the omega-3 fatty acid EPA, which is found mainly in fish but not in plants, may help longevity, one of the new studies shows.

The study took place in Norway. The researchers measured omega-3 fatty acid blood levels in 254 frail, elderly people (average age: 82) admitted to a Norwegian hospital.

Over the next three years, the patients with high blood levels of EPA were less likely to die than those with low levels of EPA.

That finding may stem from EPA’s heart-healthy benefits, since heart disease was to blame for most patient deaths. Other omega-3 fatty acids — and omega-6 fatty acids, which are more common than omega-3s in the typical American diet — didn’t affect the results.
Less Dementia With Omega-3s

In the second study, people with high blood levels of EPA were less likely to develop dementia. …

Continue reading.

Written by Leisureguy

6 September 2008 at 8:40 am

Posted in Daily life, Food, Health, Science

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