Comment by _snydly

It's better to wait for multiple, large randomized controlled trials to be performed before making claims about improved brain function.

But maybe, for now, we can eat more chocolate for another ~proven benefit: "Flavanol-rich chocolate and cocoa products may have a small but statistically significant effect in lowering blood pressure.."

http://www.cochrane.org/CD008893/HTN_effect-of-cocoa-on-bloo...