I am always afraid of having a heart attack, what should i do?

Adhere : To a healthy diet, no tobacco and see your family doctor for instruction in preventative measures based on your risk factors.

Talk to a doctor: Having a heart attack in your are is almost impossible. You should see your doctor to review your symptoms, risk factors and blood test to see if you are in any risk. If you have some pains it could be muscular from exercise or bone pains do to growth spurts.

Talk to MD: Anout your cardiovascular risk factors & appropriate screenings.

CBT: If this is a recurring thought/theme talk to your physician about cognitive behavioral therapy.