Smoke contains many nasty chemicals such as carbon monoxide. This reduces the efficiency with which your heart can work, and your heart has to work harder and has a greater chance of failing over time.
We know that smokers have a greater tendency to clot, and when blood clots, particularly in blood vessels within the heart, this can also lead to a heart attack.
I strongly urge you to take our heart disease online self-test to assess your risk of developing heart disease in the future. It will take you less than five minutes and will give you a good idea if you are at increased risk and whether or not you need to see a specialist.