Fast facts on the effects of e cigarettes and vaping Vape mouthpieces could be swarming with fungi that harm airways New Scientist Those recurring infections aren't coincidental, warns Dr. Galiatsatos; they are red flags. Research has shown that pneumonia, bronchitis, and other lung infections are more common in people who vape. Though these effects Vaping cannabis associated with cough, bronchitis and wheezing, study finds CNN