I mean sometimes. For me it was multivariate for sure. Biggest problem - wife and kid. Helped a ton. My specific wife, really. I doubt someone else would have helped me. I had a lot of self defeating thought patterns she helped me fix.

Second - light. Lots of light, specifically in winter time. Like this https://www.benkuhn.net/lux/

I had a horrible time with school because as finals rolled around in the fall semester I’d get extremely depressed and anxious.