Why is esophageal adenocarcinoma (EAC) significantly more common among European Americans than among African Americans, even though both groups experience similar rates of gastroesophageal reflux disease (GERD), a relative risk factor for this condition? Researchers have found the reason, along with a potential means to end this disparity. "We've known for a long time that esophageal adenocarcinoma primarily affects Caucasians and very rarely affects African Americans," stated David G. Beer, PhD...