The correct answer is assault.
No assurance about HIPAA research requirements and questions are most likely to be consulted with the people or organization like the privacy officer or the privacy board. Either of the two can be consulted but it is still depending on the current situation that the individual is in.
Answer: I would talk with them and tell them that alcohol in moderation is completely fine. So long as they are the legal drinking age. And that their first time to drink it I'd like for them to do it with me so we can tell what negative effects it will have on them. That and we'd know their tolerance for it.