vaping: what's really in that cloud? Vaping may seem more harmless than other types of smoking, but many contain nicotine and chemicals that can hurt your lungs and keep you hooked. Chest pain cause hi res stock photography and images Alamy Outbreak of Lung Injury Associated with the Use of E Cigarette, or Vaping, Products Champlain Medical My lung collapsed from vaping here's what people need to know New York Post