Next to tobacco one of the biggest killers is obesity. It leads to several health problems like diabetes, hypertension, and heart diseases. If you look up what is know as Syndrome-x you will get an idea of the horrors obesity can cause.
one thing that i would like to mention here is one cant deny the fact obesity itself means the breeding ground for many health problems and amongst them rise in blood pressure and cardiac problems are the most, and it is also known that once one has been identified with blood pressuere he or she will have to continue taking medications for life, but see this blog http://digg.com/links/Natural_remedy_for_High_Blood_Pressure and tell is really natural care to blood pressure a possibility?