And mothers too. http://www.npr.org/sections/health-shots/2015/06/10/413205921/more-evidence-that-parents-ages-could-influence-autism-risk http://www.npr.org/s

And mothers too. http://www.npr.org/sections/health-shots/2015/06/10/413205921/more-evidence-that-parents-ages-could-influence-autism-risk http://www.npr.org/sections/health-shots/2015/06/10/41320592... Worse, double the risk of schizophrenia for children who have dads at 40. Triple at 50. http://www.schizophrenia.com/prevention/older.htm http://www.schizophrenia.com/prevention/older.htm Other mood and psychological disorders are linked to father's age as well. Turns out sperm and eggs are delicate and after 40 years of aging, simply can't do their jobs well. Evolution's mechanisms aren't kind to older parents.