Corn and other crops contaminated with the fungus Aspergillus flavus give off a carcinogenic by-product called aflatoxin, which is blamed for high rates of liver cancer in Asia and Africa, where rice and corn are food staples. In the United States, aflatoxin's major threat is to farm animals, which can get sick or even die from consuming too much of the toxin. Scientists are working on ways to ...

BACKGROUND: The incidence of bladder and prostate cancer continues to rise, with little accompanying improvement in management strategies. Opportunities exist for testing various types of chemopreventive interventions. METHODS: The authors review the biology of progression to invasive disease for cancers of the bladder and the prostate and identify intermediate disease and surrogate endpoint ma...