Key Facts: Kids with higher ADHD traits at age 10 had a 14% higher chance of having 2+ physical health problems (like migraine, back pain, cancer, diabetes) by age 46. Those likely meeting ADHD criteria in childhood had a 42.1% chance of physical multimorbidity by 46 vs 37.5% in non-ADHD peers.​ Women with childhood ADHD traits were more likely than men to face physical health–related disability in mid-life.​ Study tracked 10,930 people from the 1970 British Cohort (England,