Berries as Cancer-Fighters

Garden-variety berries provide about the same cancer-fighting punch as more exotic ones, a study of rats with esophageal cancer shows. A separate study finds a potentially protective effect against breast cancer as well.

Cancer biologist Gary Stoner of Ohio State University in Columbus and his colleagues tested seven berry types against cancer of the esophagus in rats —black raspberries, red raspberries, blueberries, strawberries, noni berries, açai berries and wolfberries (also called goji berries).

The scientists injected the animals with a carcinogenic chemical and gave some of the rats normal food, while others got similar chow containing 5 percent of one of the berries in dehydrated form.

While nearly all of the rats fed normal chow developed tumors rapidly, only about two-thirds of the berry-supplemented rats did. Overall, these rats had about half as many tumors as the others, the researchers report in the June Pharmaceutical Research. The berry-fed rats also had lower concentrations of interleukin-5 and a rat version of interleukin-8, inflammatory proteins implicated in esophageal cancer….

more at Science news

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