“There’s a certain notion that e-cigarettes are harmless,” says Dr. Paul Ndunda, an assistant professor at the School of Medicine at the University of Kansas in Wichita. “But … while they’re less harmful than normal cigarettes, their use still comes with risks.”

“There’s a certain notion that e-cigarettes are harmless,” says Dr. Paul Ndunda, an assistant professor at the School of Medicine at the University of Kansas in Wichita. “But … while they’re less harmful than normal cigarettes, their use still comes with risks.”