Health experts warn that flavored e cigarettes may lead to permanent lung damage. A U.S. teenager was diagnosed with "popcorn lung" after covertly vaping for three years, resulting in a lifelong, debilitating condition. Smoking or vaping both harm your health., They damage your lungs, strain your heart, weaken immunity, and reduce overall well being., Choosing less harmful doesnt mean choosing safe., Your health E Cigarette or Vaping Product Use Associated Lung Injury: A Comprehensive Review Vaping is officially deadly. A life altering diagnosis of 'popcorn lung' in a U.S. teenager is sounding the alarm on the hidden dangers of flavored e cigarettes. A U.S. teenager's secret three year vaping habit