What is the number one preventable cause of death in the united states?

Tobacco remains the leading preventable cause of death in this country and in the world.
Tobacco use is a major factor in four out of the five leading causes of death: heart disease, cancer, lung disease and stroke.
It causes about a third of heart disease and cancer, and most emphysema.

Should you really "start up that cig"...think twice

You need to put a picture of what you want answered

God to do a cool down after working out.  hope this .      cheers!