A Nevada mother has warned of the dangers of e cigarettes after her 17 year old cheerleader daughter developed a rare, life long lung condition linked to vaping. Brianne Cullen started using Doctor shows x ray of 'popcorn lung' caused from vaping and it can be fatal Health experts are sounding the alarm about a serious condition linked to vaping, known as "popcorn lung" or bronchiolitis obliterans. This irreversible lung disease is caused by harmful chemicals, like diacetyl, found Ontario teen's vaping injury consistent with 'popcorn lung,' study suggests CBC News Doctors Say Vaping May Be Causing 'Popcorn Lung'