[helveticaman]

Mercury is really bad for your brain. It inhibits myelin production, which is the mechanism by which people learn and develop skills. Mercury is found in all aquatic animals, which is why I stay away from all of them.

[arethuza]

But the fatty acids in fish are good for your brain:

http://www.guardian.co.uk/uk/2002/oct/25/society.science

[stevejalim]

Agreed - oily fish in moderation is the way I try to go

[helveticaman]

I take it mercury-free pill form.