Earlier quoted context omitted.
Just as there is a level of alcohol use that is "zero risk". But that level might be one drop in a glass of water at meals, and a level which has zero pleasurable effects.
That's just it, though. The WHO says there is no level of alcohol use that is "zero risk." The difference between toxicity and therapeutic use is what helps define the safety of the substance. There are some, like psilocybin mushrooms, that have a relatively monstrous gulf between therapeutic doses (in the mcg) and toxic doses (presumably in the kg). They are quite safe, though not zero risk. I believe alcohol is rel…
As far as cannabis being "pretty darn safe", a recent study shows it causes heart disease. And more than one study shows it increases the risk of heart attack for up to an hour.
What we really need is an end to prohibition, and continued funding for studies on the substances that are the most popular so folks can make the most informed choices.