Smoking leaves its “footprint” on the human genome in the form of DNA methylation, a process by which cells control gene activity, according to new research in Circulation: Cardiovascular Genetics, an American Heart Association (AH) journal.

National Institute for Occupational Safety and Health (NIOSH) investigators have found that that the highest rates of airway obstruction were in jobs related to installation, maintenance, and repair; construction; and oil and gas extraction.

A brand-new series of emotionally powerful ads kick off the fifth year of the Centers for Disease Control and Prevention’s “Tips From Former Smokers” campaign. The new ads tell moving, personal stories of Americans suffering from smoking-related illnesses, including heart disease, tooth loss, depression, and chronic obstructive pulmonary disease (COPD).