>18 of those will have permanent heart damage for the rest of their lives. Adding critical context: Nearly half of americans are obese and/or have heart diseas

>18 of those will have permanent heart damage for the rest of their lives. Adding critical context: Nearly half of americans are obese and/or have heart disease, and ~650,000 are killed by it each year. How much lower would all those numbers be if americans simply exercised and ate healthy on a regular basis?