http://www.medications.com/effect/view/28935 I AM ON ADERALL XR AS AN ADULT FOR ABOUT 5 YEARS NOW. I AM 34. I TAKE ONE 20 MG PILL A DAY AND HAVE HAD SOME CRAZY MOOD SWINGS. I FIGURED IT WAS MY AGE WITH NO KIDS. ONE GOOD THING IS THAT IT HAS HELPED ME CONCENTRATE AND IT HAS HELPED ME STAY THIN! ALTHOU