E cigarette flavored pods induce inflammation, epithelial barrier dysfunction, and DNA damage in lung epithelial cells and monocytes Scientific Reports What's really inside a vape? Many people think vaping is just flavored vapor, but the aerosol from e cigarettes can contain harmful substances that go straight into the lungs. According to the Texas to receive nearly $43 million in settlement with e cigarette maker Juul Headlines saying 'vaping might cause cancer' are wildly misleading