The risks seem to be of a different and rather less tolerable form though: "Review studies suggest that LSD likely plays a role in precipitating the onset of a

The risks seem to be of a different and rather less tolerable form though: "Review studies suggest that LSD likely plays a role in precipitating the onset of acute psychosis in previously healthy individuals with an increased likelihood in individuals who have a family history of schizophrenia." Like, being mentally fine, then taking LSD and having that precipitate acute psychosis seems like a rather terrible downside tail risk, even if it's statistically very rare.