Medically reviewed by Steven Gans, MD Key Takeaways ADHD symptoms often start in childhood and can affect success at school, ...

This article is part 3 of a 5-part series on modern perspectives on ADHD. Part 2, "What is ADHD, Really?" is available here.

ADHD stands for attention-deficit/hyperactivity disorder. It’s a neurodevelopmental disorder that, as the name implies, causes problems with attention and ...