Watch CONFLATED HARM – Dr. Polosa talks impact of vaping on the lung- is nicotine a threat?January 16, 2020January 16, 2020https://t.co/dIogDDIygL?amp=1Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Name * Email * Website Comment * Save my name, email, and website in this browser for the next time I comment. ΔThis site uses Akismet to reduce spam. Learn how your comment data is processed.