Facing mounting government pressure and a public backlash over an epidemic of teenage vaping, Juul Labs announced on Tuesday that it would suspend sales of most of its flavored e-cigarette pods in retail stores and would discontinue its social media promotions.

The decision by the San Francisco-based company [...] is the most significant sign of retrenchment by an industry that set out to offer devices to help smokers quit but now shoulders blame for a new public health problem: nicotine addiction among nonsmoking teens.