Q&A: Common pesticide linked to early-onset colorectal cancer

A global, commonly used pesticide could be associated with the rising incidence of early-onset colorectal cancer.A pair of analyses identified picloram, which the EPA described as “a systemic herbicide used to control deeply rooted herbaceous weeds and woody plants in rights-of-way, forestry, rangelands, pastures and small grain crops,” as a potential new risk factor for the disease.