Josh,
the studies you reference have nothing to do with vegans and simply report the correlation between low DHA and verious problems/symptoms.
The relationship with ADD and depression etc. is interesting since these studies have focussed on non-vegans generally living on an imbalanced western diet. They establish absolutely nothing about vegans. There is anecdotal evidence of some vegans being low in DHA, but no clinical studies establishing what you assert, namely:
.
We have already seen similar coments generate unnecessary levels of concern in forum members about their own diet and state of health.
Please think carefully before posting such claims...
Cheers
Mike