Questions for the Doctor interview

We arranged an interview with a doctor, here are the questions we asked him during the interview:
1) Do you believe that chocolate on its own can cause people's health to deteriorate? How?


2) In all your years as a GP, have you had to deal with health issues that are directly the result of chocolate?


3) Have you noticed any change in people's health since chocolate became more popular and more widely available?


4) Do you think more advertising of chocolate has added to the popularity of chocolate?


5) According to a newspaper article by the New York Times, chocolate can have benefits for the heart. Is this possible?


6) Have any case studies been done by yourself on the effects of chocolate on peoples health?