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Eat Fish, Be Happy

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When researchers took a close look at the foods typically eaten in various countries, they discovered an interesting insight: as fish consumption increased, depression decreased.

Of course, depression isn’t uniform in each country; it varies from city to city and town to town. But what is consistent is this: People who consume the most fish (found in Japan, Thailand, and Hong Kong) were the least depressed, while those with the lowest fish consumption (found in North America, Europe, and New Zealand) had the highest rates of depression. The secret seems to be the abundance of a particular type of fat found in fish (and in other foods): omega-3 fatty acids.

Fish-fat findings
A closer look at the Japanese diet sheds more light on the fish-omega 3-depression link: Typically, about 15 times more omega-3s are in the diet of the Japanese than are in the American diet. Depression-wise, this translates into a Japanese culture with one-tenth the depression rate of Americans. Viewed from another vantage point, this means that almost 50% of elderly Americans have symptoms of depression, compared with about 2% of the Japanese elderly. Even more striking is the discovery in 1995 by psychiatrists who interviewed elders living in a Japanese fishing village: they did not find even one case of clinical depression.

Anatomy of Omega 3s and mood
How might Omega-3 fats ward off depression? One of the omega 3s — with the long name of docosahesaenoic (DNA) — is believed to boost the blues because it is concentrated in the brain. Contributing to about 50% of the total fats in nerve tissue, they play a key role in the functioning of nerve membranes, and in turn, your nervous system. Add the link between deficiencies in omega-3 fatty acids and low levels of serotonin, and you’re more vulnerable to depression.

Fish for feel-good feelings
From dreary doldrums to a deeper depression, a diet that is deficient in omega-3 fats can contribute to the problem. Here are some omega-3-rich fish to integrate into your diet. (Note. One serving is 3 ounces, before cooking.)

Sardines, in sardine oil (3.3 grams Omega-3 fatty acids)

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We value and respect our HERWriters' experiences, but everyone is different. Many of our writers are speaking from personal experience, and what's worked for them may not work for you. Their articles are not a substitute for medical advice, although we hope you can gain knowledge from their insight.


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