Sharp rise in use of high strength vapes, research shows Proportion of adults using e cigarettes containing up to 20mg ml of nicotine has increased to 32.5% from 6.6% in 2021 : r science How Many Packs of Cigarettes are in a Vape? Secondhand vape exposure: Risks and side effects Electronic nicotine delivery systems (ENDS): A convenient means of smoking? ScienceDirect A new study published in Nicotine & Tobacco Research found that those using e cigarettes alone were more than twice as likely to develop COPD than people who didn't use any tobacco products,