Marijuana is the most abused illicit drug among people 50 and older.
What is (are) Prescription and Illicit Drug Abuse ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What is (are) Prescription and Illicit Drug Abuse ? [/INST] \n Marijuana is the most abused illicit drug among people 50 and older.</s>