A team of Japanese National Cancer Research Center and Keio University of Private Sciences published a paper on the September 27 issue of the American Journal of Psychiatry, "Transform Psychiatry," in which their epidemiological survey showed that they eat more fish, shellfish, etc. People with aquatic products have a 50% lower incidence of depression than the average person. At the same time, the study also believes that the "omega-3 fatty acids" rich in the blue-backed fish have a certain effect on the prevention of depression.
The research team began a 25-year follow-up survey of 1,181 residents between 40-59 years old in Nagato-gun, Nagano Prefecture, Japan, in 1990, to study the relationship between the intake of 19 kinds of aquatic products and depression. They divided the respondents into four groups according to the daily intake. The second group (median intake of 111 grams) had a 56% lower incidence of depression than the last group (intermediate intake of 57 grams). The group with the highest intake, although the incidence rate is still 26% lower, is also the result of other ingredients and cooking methods.
Omega-3 fatty acids play an important role in synthesizing related substances that transmit information in the brain and increasing neurotrophic substances. By calculating the intake of fatty acids, it can be found that the consumption of eicosapentaenoic acid (EPA) and docosapentaenoic acid (DPA), which belong to the omega-3 fatty acids, is much higher, and the incidence of depression is correspondingly reduced. tendency.
This is the first epidemiological investigation to prevent depression in Japan, and it was published overseas. Matsuoka Fukuoka, Director of Health Support Research (Nutrition Psychiatry) at the Cancer Research Center, said: "The number of people who have eaten aquatic products has decreased in recent years compared with the number of people who eat meat. I hope that the results of this research can be an opportunity. Let everyone see the benefits of eating fish again."
Source: World Wide Web
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