A: Yes. The stress caused, or contributed to, by AD/HD especially with impulsivity and hyperactivity, can have serious health consequences. With the presence of AD/HD Combined presentation it is estimated that there is an associated reduction in anticipated life expectancy of 12.7 years. (Barkley R. and Fischer M. (2019). Hyperactive childhood syndrome and estimated life expectancy at young adult follow-up: The role of ADHD persistence and other potential predictors. Journal of Attention Disorders).