[quote]Theres a link between healthier lives and IQ, and a link between higher IQ and vegetarianism. Does that mean there’s a link between vegetarianism and health? Possibly – more research needs to be conducted for me to believe that being a vegetarian increases IQ [b]especially because I tend to think meats and fish are healthy for the brain[/b].[/quote] A link is not a cause. Even says more research is needed. Author even says they think meat is healthy for a brain.