As a physician with the Veterans Affairs San Diego Healthcare System, Dr. Laura E. Crotty Alexander has heard from more and more patients over recent years that they’re thinking of switching to vaping e-cigarettes as a safe alternative to traditional cigarettes. Not so fast, says the pulmonologist, who is also an associate professor at University of California San Diego. She calls it a “dangerous situation,” with so many people apparently unaware that e-cigarettes come with wide-ranging dangers of their own. While some tout e-cigarettes as a solution to quitting conventional smoking, the truth about relative risks is complicated, [...]