Disposable vapes may be more toxic than cigarettes, study finds

Some popular disposable e-cigarettes emit toxic metals at levels that surpass those found in traditional cigarettes and earlier generations of vapes, according to a new study by researchers at UC Davis. The study, published Wednesday in ACS Central Science, found that a single day’s use of one disposable device released more lead than nearly 20 packs of conventional cigarettes. Researchers also identified hazardous concentrations of nickel and antimony — metals linked to cancer, nerve damage and respiratory illness — in the aerosol emitted by seven devices from three widely used...