A new study shows that many teenagers who use e-cigarettes do not understand the amount of addictive nicotine they are inhaling.
The study, published in the American Academy of Pediatrics, found that 40 percent of adolescents who believed they were only using nicotine-free products were actually vaping significant amounts of the substance.
The research involved 517 adolescents, aged 12 to 21, who were questioned about their use of e-cigarettes, traditional cigarettes and marijuana.
Researchers from Stony Brook University in New York state compared adolescents’ responses about their use of such substances against urine samples taken from the teenagers. They found read more >>>