Many
I came of age in a culture awash with herion
I have first hand knowledge of the harms done to drug addicts by criminalising them
But opiates taken over a relatively short time can and often do greatly impair CNS neurotransmitter systems and downstream behaviors—-in some cases causing almost irremediable dysfunction. This happens to a sizable subpopulation of humans; more than 10% of physician-prescribed oxycontin users. Genetics and social context modulate vulnerability.
This is definitely not “little harm”.
That is untrue
https://en.m.wikipedia.org/wiki/William_Stewart_Halsted is a counter example
"Throughout his professional life, he was addicted to cocaine and later also to morphine...."
My rejoinder could be 10,000 peer-reviewed papers in this millennium.
Who pioneered keyhole surgery
> rejoinder could be 10,000 peer-reviewed papers in this millennium.
Nonsense.
Addiction is the main feature, and if the substance has no artificial scarcity, addiction is easy to manage.
There is no basis on harm reduction for the drug policies being pursued in most of the world