FRIDAY, June 10 (HealthDay News) -- Cancer researchers have been given a million-dollar grant to investigate the therapeutic value of the folk medicine propolis and the food spice turmeric. The U.S. National Cancer Institute grant is earmarked for the study of the two alternative remedies, each of which has shown promise in reducing risks for breast, prostate and colorectal malignancies, and in enhancing cancer treatment. Propolis and turmeric are rich in plant polyphenolic compounds that exhibit potent antitumor activities, the researchers said. "A very interesting property of these compounds is that they have been shown to cause cell death in...