Answer:
you can research about the internet (social media,tv,etc) families (their behaviours, toxicity, etc) and school (work load)
Explanation:
Answer - A. Depressants
Reasoning - Why his Lungs, Kidney, Liver are failing is because of depressants. When taking depressants and overdosing like cough syrup can cause the organs go into a state of depressant. Which causes the organs to have problems and can kill him.
1.bad behavior at school 2.bad attitude at home3.get involve in drugs