Also opiates like heroin do NOT cause dangerous withdrawal symptoms.
They are very addictive and withdrawal is very uncomfortable, but not dangerous. Alcohol, and benzodiazepines, like Valium are much more dangerous to withdraw from.
The only two that can kill upon abrupt withdraw.
Everything else is a notch down.
Having once been addicted (and, thankfully no longer) to the first two mentioned I can Testify.
Notice both of those are legal.
Pot helped me kick both and kicking pot was as easy as a walk with a beautiful woman in comparison.
I'll not be ashamed for using that crutch.