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, 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 While vaping is not risk free, it is less harmful than tobacco Our World in Data Nicotine delivery to users from cigarettes and from different types of e cigarettes Psychopharmacology Springer Nature Link Vaping Around Children Exposes Less Nicotine Than Smoking Ecigator Tobacco Control Chronic Disease Prevention & Health Promotion Division Electronic Cigarettes