B.Pay attention to any symptoms or changes to his body, because these are things he should point out to the doctor during a regular check-up
Explanation:
Proactiveness is been responsive and taking actionable effort to mitigate any risk as regards to one's health..
Health they say is wealth. health is the complete state of mental, physical and emotional well being of people. As we age , there are certain constraint we experience in our physical /genetic makeup. There are certain things we will be able to do when we are young but can do those things as we get older. JT will do well by actively paying attention to any symptoms or changes to his body, because these are things that point out to the doctor during a regular check up. This will help the doctor in his diagnosis incase a challenge may arise.