Dear patient thank you for your question 
  If your having family history of 
heart disease you have to care about yourself... Your just 39...so much is there to  do... 
Here is few heart disease run in families 
   1. arrhythmias, 
    2.congenital heart disease, 
    3.
cardiomyopathy,
     4. high blood cholesterol. 
      5.Coronary artery disease leading to 
heart attack, stroke, and 
heart failure can run in families, indicating inherited genetic risk factors.
 Dont neglect your chest pain just get it done 
ECG, 
Serum cholesterol, blood sugar, TMT,urine examination, Serum homocisteine etc.... 
Your doctor will advice right medication to you... Mean while continue regular exercise, low fat diet, eat green leafy vegetables....