Vaping growth stalls, UCL study reveals Better Retailing Disposable vapes in the UK National Centre for Social Research What's really inside vapes? We pulled them apart to find out New data show nearly 800,000 teens vaped for the first time in the past year, as FDA is set to announce first major decision to remove a popular e cigarette brand Turns out the disposable nicotine delivery systems are, as suspected, worse than the real thing, according to a new study from researchers at UC Davis.