Immaturity Level Rising in Adults

Ant writes to tell us that a Discovery News article is exploring the old adage, "like a kid at heart", which may be closer to the truth than we would like to admit. New research is showing that grown-ups are more immature than ever. From the article: "Specifically, it seems a growing number of people are retaining the behaviors and attitudes associated with youth. As a consequence, many older people simply never achieve mental adulthood, according to a leading expert on evolutionary psychiatry."