Think of it this way, sex, in general puts the same amount of pressure on the heart as a brisk 20 minute walk, and the orgasm adds up to a walk up the stairs. Statistics suggest that only 1 per cent of heart attacks are triggered by sexual activity. If you have had a heart attack and have made lifestyle changes that lead to a healthier you, then the stats should go in your favor even more! Do you stop going up the stairs or going for a brisk walk because you have a 1 per cent chance of another heart attack? No you don't