Earlier quoted context omitted.
One single dose of LSD can cause permanent psychosis, so this is not surprising. This is why drugs like LSD need to be absolutely banned. They can turn functioning people into permanently non-functioning ones. It is an incredibly dangerous drug.
This is not true, or partially true at best. As far as I'm aware, current consensus is that psychedelics are not a causative agent in psychosis or schizophrenia in the absence of predisposing risk factors. 0.5-1% of the population will develop schizophrenia, and for these susceptible individuals, a psychedelic trip can be the event that triggers the full-blown disorder. But so can any other significant psychological…
No, because such allowances are made with the assumption that people act reasonably. GK Chesterton said we should tolerate all thoughts except for the thought that stops thought. We can tolerate all kinds of insane thoughts. The only thought we cannot tolerate is the thought (the will to take LSD for 'fun') that has the potential to stop all thought. LSD, and other psychedelics, cause the breakdown of rationality that is the very reason we allow adults to make their own decisions. It is completely incoherent to allow LSD while also using adult cognitive skills as the basis of adult freedom.