Conclusions made by a new study of cigar and pipe smoking by researchers at the Columbia University Medical Center are not supported by the study's findings ...
http://pipesmagazine.com/blog/pipe-news/columbia-study-on-cigar-pipe-smoking-corrupt-misuse-of-junk-science/
http://pipesmagazine.com/blog/pipe-news/columbia-study-on-cigar-pipe-smoking-corrupt-misuse-of-junk-science/