As more researches have been done on fish oil effects on our health more positive aspects are found about it. Beneficial effect of fish oil on cardiovascular system was proved many times now, but what role fish play in improving mental health remains a question. This article will look at reasons why fish oil supplements can have positive impact on the brain.

It is not a secret that the brain is mostly composed of fat. Along with water fat is the main component of brain cell membranes and tissues enclosing the nerve. Anti-fat campaigns shown today make us forget that not all fats are “bad” for the body and that some of them are important for a human.

There are two types of fats - saturated, that normally come from meat and dairy products, and polyunsaturated, which can be found in Omega-3 fatty acids extracted from oily fish such as salmon or mackerel. Some green vegetables as well as walnuts contain shorter chain Omega-3s too.

Independent surveys shows that people in countries with the high fish consumption have the lowest depression rates. Japanese consume more fish than any other nation and have the lowest rates of depression in the world. Finland where fish is often a part of daily meal has less people subjective to depression or even committing a suicide.

Doctor Andrew Stoll suggests in his book The Omega-3 Connection that shortage of Omega-3 fatty acids in the brain chemistry can lead to psychiatric illnesses caused by inflammation. He also points out Omega-3 anti-inflammatory effects.

Currently scientists are looking into the possibility of testing Omega-3s effect on the aging brain as fish oil consumption seem to improve levels of mental functioning among old people.

The bottom line is taking fish oil fulfills the needs of the brain for essential polyunsaturated fats which are necessary for cell building. Thus, it might help to improve overall functionality of the brain.

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