Problem: Which is true about Attention Deficit Hyperactive Disorder (ADHD)? A. Children who outgrow ADHD will always retain their baseline gray matter thickness throughout their lifespan. B. Brain volume is less in all four lobes as compared to non-ADHD individuals. C. Heritability of ADHD is less than 25%. D. There is increased thickening of the gray matter throughout the brain as compared to those without ADHD.