If you are a Vegan, like me, it is hard to admit that we need some supplements of the stuff that is in "meat". Since Humans are originally Omnivores and not Herbivores, it is necessary to investigate this. Science is evolving, as are we!

Are Vegans more intelligent? Not without dha/epa!  

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Fish contains lots of mercury
and PCB's. Oceans are being
emptied. Human intelligence
evolved partly thanks to fish
consumption, but now we can
spare them

Probably most people have read or heard about the vegan couple convicted of starving their child to death in Atlanta, May 2007.
I know that for vegans, certainly vegan parents like me, such tragic events do make them look irresponsible. We have to debate again about our choices and whether our diet meets the needs to stay healthy. To my opinion this debating has a good part: It is very important that vegans do keep on looking critically to their diet and they have to improve it constantly.
I want to go to a part of the article 'Death by Veganism' of the New York Times about DHA:
It is difficult to overstate the importance of DHA, vital as it is for eye and brain development.  

Why are the fatty acids DHA and EPA so important?

The human brain consists of over 60% fat of which essential fatty acids are an integral component. The essential fatty acids docosahexaenoic acid (DHA) and Eicosapentaenoic acid (EPA) are the primary structural fat in both the gray matter of the brain and the retina of the eye, therefore these essential fatty acids are essential for brain and eye development and function.

DHA plus EPA are both considered to have beneficial effects in the prevention and management of cardiovascular disease in particular EPA is converted into a powerful anti-inflammatory agent and is thought to possess beneficial potential in mental conditions, such as schizophrenia, depression and ADHD.

How important is it to take vegetable sources of DHA/EPA?

The most well-known direct source of Omega-3 fatty acids such as DHA and EPA come from cold-water fish, particularly cod, tuna, salmon, halibut, shark and mackerel. 

Just realize that for every 1-kilo of pure fish oil produced, it takes 500 kilos of fish bodies.

Health recommendations advise increased consumption of oily fish and fish oils within limits, on the grounds that intake is generally low. People urgently need to re-consider their omega-3 resource out of fish (only).

Detailed information can be found in the website Fishing Hurts;