Handle these potential negatives positively. Acknowledge the concerns of the interviewer and point out how you have addressed these issues, how adversity has challenged you and how this experience has been made you a better candidate. Be positive, acknowledge any academic weakness you may have had as an area of personal growth that other students haven't had and don't lie. Most illegal questions are asked when the untrained interviewer who is unaware they aren't supposed to ask. Remember you are likely being interviewed by a doctor who is used to interviewing patients, not job applicants.
Lifestyle questions are appropriate in a patient interview.
The answer is up to you. You may opt to answer and move onto a new topic or gently ignore the question and redirect the conversation subtly. The interviewer will probably realize the mistake and be glad to move on. Ending the Interview Be sure to have some questions of your own. You will be given the opportunity to ask the interviewer questions about their program, their facilities and their plans for the future.