It irks me that people don't really minimize the most likely risks to their health, but instead worry about relatively trivial risks. This information is readily available.:
N C H S - FASTATS - Leading Causes of Death
Heart disease is at the top as a risk of death in the US, followed by cancer. Here you can see what leading causes of heart disease are.:
Doesn't it make sense to reduce the obvious and well documented risks to the heart before worrying about new possible risks?