Answer:
D. Paying too much on the black market instead of getting a prescription.
Using legal drugs without medical supervision can indeed pose risks, but paying too much on the black market instead of getting a prescription is not typically one of those risks. The other options listed (ignoring or not recognizing side effects, taking inappropriate or dangerous doses, not having a guarantee of purity or potency) are more directly associated with the risks of using legal drugs without medical supervisio
Step-by-step explanation: