Answer: D. Someone using methamphetamine.
Step-by-step explanation:
Health related behaviours are the behaviours of an individual, group or organisation that affect the health of people. Actions that affects the health of people around you.
In the case above, all the options given affect the health of other people either positively or negatively EXCEPT Someone using methamphetamine, methamphetamine which is a powerful stimulant that affect the central nervous system among other uses. Using it does not in anyway affect the health of people around.