Flavors added to vaping devices can damage the heart USF Health NewsUSF Health News Do you know what's in a vape? Exposing your vape to extreme temperatures is a fire risk. Avoid leaving it in a hot car or out in the freezing cold. Never use damaged, swollen or hot batteries. # The Real Reason Your One Hitter Burns Too Hot Vaping Indoors and How it Contributes to Sick Home Syndrome Bactronix