I'm terrified I'm going to have a heart attack and die. I'm 32, quite overweight but no other diagnosed major health problems except my cholesterol was 6.2. since they told me it was high all I've done is worry about heart attacks. I get palpitations, chest pain on exertion, breathlessness. I had ECG and bloods, plus a 24hr heart monitor. They found only benign ectropics. I can't stop worrying I'm about to have a heart attack at any time or in my sleep. How can I stop worrying about it and is it even likely at my age that I will have one. I just need some reassurance really.