Do you feel people should be able to smoke,as long as it does not affect other peoples lives?
Just makes me smile.
If they over use drugs - because they are weak/soft/can't harden to life. Then they get caught in that downward spiral.It's much stronger today than in my day, and as noseall says, it can cause severe mental problems for users.
Personally, I haven't taken anything in over 20 years and I don't miss it.
Just why do people have a problem with reality?
Many people feel trapped (and hence feel the need to escape).If your life is rubbish - get a new one.