One Twin Was Hurt, the Other Was Not. Their Adult Mental Health Diverged.

Scientists have long believed that a newborn’s immune system was an immature version of an adult’s, but new research shows that newborns’ T cells outperform those of adults at fighting off numerous infections.

Adult ADHD may take a toll on the brain. A study published in JAMA Network Open reported that being diagnosed with ADHD as an adult is associated with a 2.77-fold increased risk of dementia.

Stanford Scientists Discover Strong Link Between Childhood Maltreatment and Adult Emotional Difficulties