I think d, some people hate their families, age, gender, and how they have to use drugs and alcohol to get away from it.
Well, theres a lot of factors that fall into this. How old are you? Did your "Parents" allow? If you disobey what they had said, it is a risky behavior because you don't know the outcome is. Therefore it's "Risky". If this wasn't the answer you were seeking, sorry! Anything else I can do to help?
Some could be because of depression, concentration, trying something new, and many more.
A. Depressants because its used to treat depression and other pschylogical problems.