It all depends on the strength of the correlation. We all know, that to link behavioral patterns to bio-chemistry is full of false-positive... and the other way

It all depends on the strength of the correlation. We all know, that to link behavioral patterns to bio-chemistry is full of false-positive... and the other way around too. Correlation is not proof, and in biology, due to inherent complexity it is even more questionable. That looks like some kind of "more research is needed", "give me more money" kind of study.