Answer:
A. Enable effective interaction
Explanation:
A book written by someone who treats patients with mental health problems.
A paragraph written by someone who knew someone with mental health issues and writes about their solution.
A - vitamin a
VAD (vitamin A deficiency) is sadly a major cause of permanent blindness in children...
OK so if the person was unsuccessful even after changing his or her life style I believe the best option for that person would be to seek professional help from a doctor/health adviser.