A new study from UC Davis found that disposable vapes have much higher concentrations of heavy metals like lead and nickel than traditional cigarettes. #news #health #vaping #smoking Thousands of unauthorized vapes are pouring into the US despite the FDA crackdown on fruity flavors Ban on disposable vapes would affect one in seven young adults UCL News UCL University College London Disposable vapes ban to come into force in bid to improve health and cut litter