Question

Can you briefly describe three ways in which drug abuse can lead to HIV infection?

Answer 1

Sharing needles is the main one, because sharing them can spread viruses through blood/body fluid. drug use can also lead to unhealthy/ poor thinking of un-protected sex, which can also cause HIV.
hope this helps!!

Answer 2

Reusing or sharing needles, really anything that can be spread through blood and drugs.. i hope this helps and sorry its so brief.