Overview

• US cigarette smoking dropped to 11% of adults last year, an historic low.
• E-cigarette use rose to nearly 6% of adults, up from 4.5% the previous year.
• Cigarette smoking remains a leading cause of preventable disease and death.
• The declining smoking rate and rise in e-cig use suggest more adults are quitting cigarettes.
• But the health effects of long-term e-cig use remain largely unknown.