Carol Frilegh writes:

Psychiatric drugs are responsible for many cases of obesity.

Good point.

I gained sixty pounds rapidly on Lithium carbonate. Lithium is a slat
and fosters fluid retention, but hardly 60 pounds worth.

Yeah, I have met a few obese people with bipolar disorder who are
on lithium.

Anti-psychotic medications seem to do the the same thing,
while anti-depressants do not generally seem to cause that effect.