11 Things That Make Adult ADHD Worse Lack of Exercise. 1/11. If your memory is hazy, your ADHD may be to blame. ... Eating Out Often. 2/11. ... Too Much Junk Food. 3/11. ... Skipping Breakfast. 4/11. ... Messy Homes and Offices. 5/11. ... Too Much Stuff. 6/11. ... The Wrong Meds. 7/11. ... Lack of Sleep. 8/11. More items... Nov 18, 2021