The effects of drugs abuse on youths  is  the number one can destroyed thier  healths.Drugs can use to human illnes ..  But big mistake if applied and used it in dosage and using without knowlegde.
For the youths effects can cause damage there mental health  that's why all of us  be   ware to our teenagers every family....to avoid and  they will not go in a wrong way thier life.
The important things is to  teach them how and what are the causes so that they will aware all youths not to use any drugs .