Regarding "A Ban on Estrogenics?"1 we must be wary also about a possible cancer risk from long-term exposure to bisphenol A (BP-A) and other estrogenic endocrine disruptors as well. Steroidal/non-steroidal and postmenopausal estrogens and diethylstilbestrol (DES) as examples at low doses are long-known human carcinogens.2 In 1980, the National Toxicology Program in public session reported on the carcinogenicity of BP-A.3 With renewed emphasis on endocrine disruptors,4 we decided our bioassay fin

Primary Prevention of Cancer Your stories on cancer present well-rounded perspectives on cancer treatment.1,2 However, for targeting cancer incidence and mortalities, increased attention must be directed toward primary prevention of cancer, rather than most resources being centered on molecular and mechanistic biology, diagnoses, and treatment regimens. These issues are vitally important, but primary prevention has been too long proportionately neglected. Except for tobacco, and even there g