In the mid-1960s, 42% of U.S. adults were smokers. NEW YORK (AP) — The cigarette smoking rate among U.S. adults dropped to another all-time low last year, with 1 in 11 adults saying they were current smokers, according to government survey data released this week. Cigarette smoking is a risk factor for lung cancer, heart disease and stroke, and it’s long been considered the leading cause of preventable death . The preliminary findings from the Centers for Disease Control and Prevention were