Education Quote by Robert M. Sapolsky
““Starting with a 1979 study, low levels of serotonin in the brain were shown to be associated with elevated levels of human aggression, with end points ranging from psychological measures of hostility to overt violence.””
![“John Archer in a definitive 2006 review, “There is a weak and inconsistent association between testosterone levels and aggression in [human] adults, and … administration of testosterone to volunteers typically does not increase their aggression.” The brain doesn’t pay attention to fluctuations of…” quote by Robert M. Sapolsky](https://sms4smile.com/quotes/img-quotes/0f0/robert-m-sapolsky-1166_pay-attention_john-archer-in-a-definitive-2006-review_2406353.jpg)
