You should only take ADHD medication if you have ADHD.
Jake has had trouble paying attention in class so his friend offered him some Adderall.
Jake wants to pay better attention in class.
Jake tells his teacher that he's having trouble paying attention, and his teacher gives him advice.
Jake takes some Adderall in order to better remember what his teacher was teaching.
Jake learns how to better pay attention without having to resort to using drugs.
Jake can become addicted to the drug when he realizes how it feels.