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, COPD Risikofaktor Rauchen: Strategien zur Tabakentwhnung COPD and Vaping: Understanding the Risks and Long Term Effects Vape Lungenerkrankung E Zigaretten erhhen Risiko fr COPD 10 OH HHC Cannabizoo