doi:10.1016/j.emc.2009.07.007
And now, word is that DeChambeau reportedly tried and failed to rope President Donald Trump into said controversy
Biodegradable cigarette butts do not protect the environment Used cigarette filters, regardless of their composition, contain extremely dangerous toxic elements: barium, lead and mercury, as well as aromatic hydrocarbons and traces of pesticides used by the tobacco industry in the cultivation phase
At least, that's the implication of the study that triggered the latest news coverage
Fifty-seven percent of the 290 NTP rodent carcinogens (Table 5.12) induced at least an increase in liver neoplasms (primarily in B6C3F1 mice), 22% an increase in lung tumors, and 14% in renal (primarily in F344/N rat), 13% in mammary gland, 13% in hematopoietic, 12% in forestomach, 10% in thyroid, and 9% in endothelial neoplasms