Swings in dad's testosterone affects the family -- for better or worse -- after baby arrives

(University of Southern California) Testosterone levels are a key factor in a family's health and happiness after a newborn arrives. Researchers find that a drop can signal postpartum depression in dad, and a spike may be a sign of aggression.

from EurekAlert! - Social and Behavioral Science http://ift.tt/2xLVJqb