"add/adhd has always been an issue, sure - grades sucked, concentration lacked, motivation gone. but, when the doctor prescribed concerta, that all changed. i felt a change and saw my grades and concentration get better and better. the appetite loss was a minor issue. i&#039;ve always been a big eater with a super fast metabolism. when i was told i was a few pounds overweight, i was happy. the solution to the problem is to force yourself to eat. it&#039;s not a bad sacrifice if you see a positive difference in your performance. i&#039;m 6&quot;5&#039;, 17 years old, and 210 pounds. i&#039;m skinny, sure, but i&#039;m willing to sacrifice quite a bit so i can do better in school. :)"