An interesting study and the last paragraph is what I’ve been saying for 15 years.  And begin with children!!     http://www.sciencedaily.com/releases/2015/12/151208204226.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Fmind_brain%2Fdepression+%28Depression+News+–+ScienceDaily%29