In further evidence that vaping is generally less damaging than smoking tobacco, if only slightly, a study of children in the US has found they absorb much less nicotine when exposed to vapes than from second-hand cigarette smoke. “These findings suggest that switching from smoking to vaping indoors may substantially reduce, but not eliminate, children’s second-hand exposure to nicotine and other noxious substances,” according to the University College London scientists who undertook the research. While parents and adults have long been warned not to light up around children due to the ill-eff…