LearningRx reviews study on paternal age and ADHD/ASD risk
Paternal age may increase risk of offspring with ADHD or ASD
New research indicates that paternal aging may exacerbate genetic risks in offspring, which may explain the rapid rise in the ratio of children with ASD or ADHD, as more men are having children later in life.
http://www.medicalnewstoday.com/releases/314632.php