The scientific consulting firm that was hired by Ted Wells to assist in the Deflategate investigation once published a report arguing that secondhand smoke does not cause cancer.
A New York Times article from 2010 criticized Exponent Inc. as having a reputation for “helping big corporations weather messy disputes.” That has included tobacco companies, as Exponent has put out thousands of pages of research that argues — among other things — that secondhand cigarette smoke does not cause lung cancer.
As we know, secondhand smoke can absolutely cause cancer. According to the National Cancer Institute, there are at least 69 toxic chemicals in secondhand tobacco smoke that are known to cause cancer.