Father’s Age Is Linked to Risk of Autism and Schizophrenia

The research team found that the average child born to a 20-year-old father had 25 random mutations that could be traced to paternal genetic material. The number increased steadily by two mutations a year, reaching 65 mutations for offspring of 40-year-old men.The average number of mutations coming from the mother’s side was 15, no matter her age, the study found.

“This study provides some of the first solid scientific evidence for a true increase in the condition” of autism, said Dr. Fred Volkmar, director of the Child Study Center at the Yale School of Medicine, who was not involved in the research. “It is extremely well done and the sample meticulously characterized.”

(Source: nature.com)