Answer:
Addiction can harm other people by second hand smoke, and increased spread of infectious diseases. In the online site, it states that second hand smoke invades passerbys by exposing them to 250+ harmful chemicals. Along with second hand smoke, the spread of infectious diseases increases the speed of the spread, only for those on drugs. Hepatitis C, endocarditis, and cellulitis are diseases that are spread faster by persons on drugs.
Step-by-step explanation: