Study Suggests Pharmaceuticals in Freshwater Altering Genes of Fish, Inducing Aggressive Behavior

Prozac causes anxiety and antisocial behavior in fish

When fish swim in waters tainted with antidepressant drugs, they become anxious, anti-social and sometimes even homicidal.

New research has found that the pharmaceuticals, which are frequently showing up in U.S. streams, can alter genes responsible for building fish brains and controlling their behavior.