

When it causes active problems with life. It’s also worth noting that it’s a brain chemistry change. Where on the sliding scale you pick is, ultimately, a little arbitrary.
I personally suspect modern life isn’t helping. The pressures on children are quite different now. I suspect many children who wouldn’t develop symptomatic ADHD in earlier years now do.













I personally suspect environmentally caused ADHD could be a thing.
Ultimately, if the treatment methods and suggestions help, I have no issues with it being treated.
It’s also worth noting that ADHD (and sub diagnosis ADHD) are disproportionately represented in certain groups. My wife didn’t realise she had a problem till well into adulthood. Since she was diagnosed, over half her friendship group are either diagnosed, or in the process.