medical a-team that could really change your life as much as this one. this is a brand new eye opening study about quitting smoking, it could extend your life for at least ten years. dr. david somati is here with us from the mount sinai medical center chief of robotics and doc, this is something. first of all, it says if you do it before you're 40 years old, quit smoking, but if you even think you want to reach the age of 80 you can double your chances if you quit. >> yeah, the statistics are unbelievable. a simple way to think about this. you start smoking, and you're going to lose about a decade of your life, that's it the way it goes. it's a serious problem looking at about 45 million americans still smoking in this country. big, big numbers. and smoking not only causes lung cancer, but it really causes about 440,000 preventible deaths in this country. it affects your heart, it affects stroke. the biggest thing that smoking