Please, please, please watch this if you can. Even if you’re not a teacher, don’t have a loved one with diagnosed ADHD, or work with someone with it, you can still learn a lot about how an ADHD brain works.
And understanding makes such a difference. Next time you wonder “what is wrong with you”, about someone (or even yourself) consider that brain differences are a possibility. So many more people have ADHD than are diagnosed with it.
If you are smart, or female, or just inattentive (with no hyperactivity), or all three of these things, you’ll be much less likely to be diagnosed. But the impact on your life will still be profound.