E-cigarette use significantly increases a person's risk of developing chronic lung diseases like asthma, bronchitis, emphysema or chronic obstructive pulmonary disease, according to new UC San Francisco research, [...] "What we found is that for e-cigarette users, the odds of developing lung disease increased by about a third, even after controlling for their tobacco use and their clinical and demographic information," said senior author Stanton Glantz, Ph.D., a UCSF professor of medicine and director of the UCSF Center for Tobacco Control Research and Education.