Children exposed to vaping indoors absorb less than one seventh the amount of nicotine as children who are exposed to indoor smoking, but more than those exposed to neither, according to a new study led by UCL researchers. The study, published in JAMA Network Open looked at blood tests and survey data for 1,777 children aged three to 11 in the United States. The researchers said that second-hand exposure to harmful substances in e-cigarettes would likely be much lower still, as e-cigarettes deliver similar levels of nicotine to tobacco but Read More