Earlier quoted context omitted.
I have ADHD. There are other serious neurological issues connected to ADHD. It's a very misunderstood disorder with a broad spectrum of identifiable symptoms that could indicate ADHD. If you are heavily medicating with caffeine, then that can be a signal. I was using Pseudoephedrine and caffeine to self medicate and stabilise my moods and behaviours. That was before I got prescribed Ritalin. But as the article says,…
The "bit like bipolar part" might be a thing called emotional hyperarousal thats common with adhd, if you ever need its name to google
Edit: Yikes! I took their little quiz, I ticked the 'often' choice to all those questions...