To add to what others have said. I've actually been prescribed Adderall for a many years now for ADHD. Along with Ritalin, it is a very common stimulant ADHD drug. When you have ADHD, it mostly makes your brain normal and lets you concentrate. If you don't have ADHD it works much more as an upper. From my recent experience in grad school, it is VERY COMMON among students (grad and under). Even non-partying geeks do it to help them stay up and study. If you have a prescription, you will be asked to sell your pills. Students will crush Adderall (Ritalin too) and snort it like coke. Like cocaine, it will counter the effects of alcohol and allow you to drink longer with less depressive effects. If a group of kids is into coke and xanax, it is impossible for me to believe they're not using Adderall or Ritalin also. Any more questions? I'm an expert on this.