Going through the assessment process as we speak, had my Autism assessments last week, ADHD one to come in March. I have had countless bouts of heavy depression since young, been through the antidepressant treatments and all the CBT etc over the years. My sister's kids are all either diagnosed or awaiting diagnosis, which got us, and the GP, considering that my issues may be related to neurodivergency.
I am lucky as have access to health insurance with work so going down that route, but my daughter struggles with Dyslexia and clearly has ADHD but currently has a 10 year wait up here to get an assessment. If I can get the money together in the next few years may try to get her assessed privately. We do not have right to choose in Scotland.
Genetically, it has come from my Dad's side of the family, looking back he had traits that we just put down to 'who he was'.
By the way, I am in my 50's, and only seeking answers that give a name to the issue. May help me get on top of it and manage it more effectively in the future.