do e cigarettes cause health problems Harmful Effects of Vaping Chart ⚠️ Vaping and oral health:
Description
Smoking is one of the biggest causes of bronchitis and COPD
As a result, current smokers may find it more difficult to not only fall asleep but also stay asleep

ECigarettes and Cigarettes: Complements or Substitutes? Mimeo, University of California, Berkeley.

BMC Public Health, 20 (1), 1518
