5 risk factors of an unhealthy heart are:

1. If you are a smoker
2. Are you over 50 years of age
3. If you do not regularly exercise
4. If your waist measures more for then 94cm for men and 80cm for women
5. If you can’t walk at a steady pace and hold a conversation at the same time.

It's never too early to make healthy lifestyle changes, such as quitting
smoking, eating healthy foods and becoming more physically active.

These are primary lines of defence against coronary artery disease and 
its complications, including heart attack and stroke