How Young Is Too Young To Know If Your Kid Has ADHD? An Expert Explains

SanyaSM/Getty ImagesAs someone who has had an anxiety disorder since I was a teenager, I've never been a stranger to overthinking things. Staying up late, my brain racing as I map out the day ahead or replay the previous one — it's been commonplace for me as long as I can remember. But, as any parent can attest, having a kid will raise your anxiety to a level you've never experienced. Whereas once my days were spent worrying if I'd said something stupid or made a dumb mistake, now I stay up half the night worrying about things like my child's development, whether they're enjoying pre-K, or get