According to the CDC, 19.0% of all adults (43.8 million people) smoked in 2010. In the United States, smoking is responsible for about one in five deaths annually (i.e., about 443,000 deaths per year.) In 1950 Sir Richard Doll published one of the first studies linking tobacco to lung cancer, and today 90 percent of the physicians believe that active current smoking affects treatment outcomes and that tobacco cessation should be a standard part of clinical care. The science is indisputable. People still smoke.
A recent study reports that;