Smoking in America is now at its lowest point in more than 50 years. That’s according to newly released data from the Centers for Disease Control and Prevention showing that the percentage of adults who smoke cigarettes has continued to decline. As you can see in the chart below, 21 percent of Americans smoked regularly in 2005 (about 45 million people), and in 2014 that number was down to 17 percent (about 40 million people):…