Depression is the most prevalent psychiatric disease. The number of new cases rises and the disease manifests itself at an earlier age.
Depression is lower in populations with higher fish consumption. This leads to the question whether there might be something in fish that prevents depression or more general that is required for proper functioning of the brain.
Fats are major structural components of brain tissue. These fats are special in that they contain DHA. DHA is a fatty acid that can be made in the body only in limited quantities and only if special conditions are met. These conditions depend amongst others on the type of diet. A Western type of diet does not favour the formation of DHA. So it was considered possible that intake of preformed DHA is required for proper functioning of the brain. This brings us back to the association between fish consumption and depression: fish is main source of DHA and other higher omega-3 fatty acids in the diet.
Armand Christophe | alfa
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