I'm sure there's lots more info available, but a quick and dirty reply:

https://en.m.wikipedia.org/wiki/Behavior-altering_parasite

See also:

Parasite in cat poop linked to higher likelihood of entrepreneurial behavior

https://news.ycombinator.com/item?id=19452826

These can control your allergies. Does this count?

https://www.npr.org/sections/goatsandsoda/2016/08/12/4896190...

The Goa'uld. Stargate was as much science as fiction.

Most of them do!

Good, meanwhile, and in spite of living in "1st world", having been born in a 3rd world country I'll continue my semestral parasite pills.

Be careful about where that idea takes you...