Yes, you are. You were at risk even without your father's heart attack. Genetics, however, make you a bit more at risk.
If you exercise, have an annual health checkup with your doctor, follow their advice, and eat a good heart healthy diet, you will reduce your risk and you may never have a heart attack.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.