Technically "yes" but only because of the laws of possession. A character's boyfriend is possessed and harms her and their child, but this is the demon doing it so I'd say it's just violence.
In Princeton Tapes a character is addicted to MDMA and other unexplicit drugs, but this focuses on the recovery of said character. (Including withdrawal and other trivia's associated with addiction)
At some point, there's a scene where one character tortures another character. For a split second, it shows them chopping off their fingers. Although it's very quick (and a little bit difficult to see?), it's pretty disturbing.
No one falls to their death, however, the doctor's recollections mention someone falling from the Park Ranger's tower and lived. The 'man' made the person do it.
There are multiple times during the second to last video on youtube called "all good things". You see it visually happening though a little obscured, as well as there's a point where it's audioably happening though you don't see it. That's the only time I remember there ever being throw up in the series.
Alex is regarded as “psycho” due to seeing Slenderman in his room, and his dead mom / dog in his house, acting like they are still there and sees hallucinations!
As far as we know in the series, all of the characters are white, and all those who died, especially the one(s) who died first, chronologically, were white.
Towards disabled people in “May-June”
Jeff talked about the sparklers and saying that “your wheelchair bounds neighbors didn't even get a rise out of it.”