what makes people eligable to have a heart attack or can it happen to anyone?

Question: what makes people eligable to have a heart attack or can it happen to anyone?
- Keywords:
  heart attack,
  illness,
  vulnerable
Asked by to Catherine on 19 Mar 2014. This question was also asked by .
- Catherine Mansfield answered on 19 Mar 2014:
  
  It can happen to anyone but the more unhealthy you are the more chance there is. You can reduce your risk by eating healthily, exercising regularly and not smoking.

Question: what makes people eligable to have a heart attack or can it happen to anyone?