Notably, the drummer from KISS, the actor who played Shaft, and Beyonce's father.
Hackworth
Yeah, there's no real data for "show signs of manic or psychotic crisis," as far as I can tell. I just went for the low-hanging fruit, since mania is often part of bipolar (manic-depressive). But if just bipolar is sitting at 2.8% of Americans in a given year, I think it's reasonable to say the loosely defined global stats in the article aren't notably high.
I can pretty confidently say that 4k is noticeable if you're sitting close to a big tv. I don't know that 8k would ever really be noticeable, unless the screen is strapped to your face, a la VR. For most cases, 1080p is fine, and there are other factors that start to matter way more than resolution after HD. Bit-rate, compression type, dynamic range, etc.
Member when Bush Jr. leaned over to Michelle Obama and said, "That was some weird shit." after Trump's first inauguration? It's strange to see villain decay outside of fiction.

She'll Hunt - Banning Books
Macklemore - Fucked Up