Although an older resource, William Whitby, M.D. shows that anti-tobacco "science" isn't science at all!
>The Smoking Scare Debunkedhttp://wispofsmoke.net/PDFs/Whitby.pdf>Smoking is Good For Youhttps://www.scribd.com/document/44685607/Smoking-is-Good-for-You-William-T-Whitby