Juul Labs announced on Wednesday that its chief executive is stepping down and the company will stop advertising its popular vaping products. The announcements come as federal regulators work on new rules to curb the…

Ruby Johnson, whose daughter was recently hospitalized with a respiratory illness from vaping, testified before a House Oversight subcommittee hearing on lung disease and e-cigarettes on Capitol Hill Tuesday. Andrew Harnik/AP hide caption toggle caption…

Excessive screen time has been blamed for everything from mental health issues and developmental problems to weight gain among kids, leading many parents to worry about how much is too much. But a new JAMA…