Fish oil is conducive to good health. Evolutionary biologists and anthropology scientists believe that for much of human evolution, humans have lived in coastal areas of this planet. It can be concluded that they derived nutrition from seafood like shellfish. Recent studies have conclusively established that the human brain is composed of certain oils which are mainly found in fishes.

Consuming fish oil provides lots of health benefits. Experience has proved that fish oil can prevent cardio-vascular disease by controling blood serum cholesterol and helps control high blood pressure. It can also be used in depression treatment and mental problems such as Alzheimer's disease. Some claim that it could even improve people's memories. Hence one could improve his health by consuming fish oil once in a while.

Omega 3 fatty acids present in fish oil appeals the most to health researchers. These fatty acids are found in negligible quantities in vegetables and fruits and aren't produced within the human body. These fatty acids are essential for normal growth and development of fetus and therefore all pregnant women must take them in proper doses.

Omega 3 deficiency could lead to many health problems in human beings. Research studies by medical professionals have suggested that Attention Deficit Disorder, asthma and other allergies could be linked to less intake of omega 3. Some scientists have observed that a low consumtion of omega 3 by pregnant woman could give birth to children who might have poor hand-eye coordination, low IQ and poor social skills.

Salmons, sardines and herrings are the fishes rich in omega 3 fatty acids. Heavy metals and toxic waste due to water pollution can accumulate inside fishes. Therefore, consuming these fishes in large quantities is not recommended. Another reason why it is not recommended is the high levels of retinol present in their livers. An active form of Vitamin A, retinol can be dangerous to humans if consumed in high doses.

The benefits of omega 3 are only experienced in the recommended daily amount by about 2% of the population. This is a frightening statistic that needs to be rectified. One reason the supplements are avoided is the fear of a fishy taste. For those that dislike the taste of fish oil supplements, capsule form is available. Be cautious and make sure the supplements are mecury free. Other dangerous metals should have been removed as well. Purification of the supplements helps the body digest them more efficiently.

Fish oil is beneficial to human health. It contains omega 3 fatty acids and helps in prevention of cardiovascular diseases, hypertension, and neurological conditions. Studies have suggested that asthma and other allergies as well as Attention Deficit Disorder may be linked to insufficient intake of omega 3 fatty acids. There are many omega 3 benefits but it must be consumed only in the right doses otherwise it can be dangerous. Because these supplements are so highly recommended, companies have made them in a capsule form. Be sure they are made as safe as possible by being certified mercury-free, and free of any other dangerous metals.