Answer: I really don't understand your question but i will answer it my way. To prevent death people need to be healthy and go to the doctors if something is wrong. especially with diseases and cancer.
Explanation:
Depending on if they have had bad experiences in their life doing drugs might be a way to release there “pain” something to take your mind off of the negative stuff in there lives or they may just want to fit into a crowd or people that they want to hang out with. Teens also need To take risks because that’s the way the brain can develop and grow. (Please ignore my bad grammar)
They base it on experiences with people they have had in the past