While marketed as an alternative to cigarettes, vaping may not be as safe as originally thought.As of Wednesday, Sept. 11, at least six people have died, and many others have been sickened this summer from a "mysterious lung illness" linked to vaping, underscoring what many health officials have believed and warned about for years.More than 450 cases of respiratory illnesses resulting in coughing, shortness of breath, chest pain, nausea, vomiting or fatigue have been [...]