Approximately 1 in 13 high school seniors have tried Adderall, and by senior year of college, that number has risen to 1 in 3 students. But is Adderall really a miracle drug? Spoiler alert: Nope (though it can really help those clinically diagnosed with ADHD). And a lot of what you've heard about Adderall may be misleading or even dangerous. Here's what you need to know.