A Nevada teenager’s diagnosis with a rare pulmonary condition has ignited fresh concerns about vaping safety. Seventeen-year-old Brianne Cullen, an active cheerleader, developed bronchiolitis ...

A pediatrician warns that vaping may lead to an incurable lung disease with symptoms like shortness of breath and night sweats.

A Canadian teenager who used e-cigarettes developed a near-fatal lung condition that does not resemble the vaping-related illnesses that have swept the United States. Doctors say the 17-year-old boy's ...