Studies show how fruits and veggies reduce cancer

Studies show how fruits and veggies reduce cancer - Yahoo! News
2007.12.07
"Just three servings a month of raw broccoli or cabbage can reduce the risk of bladder cancer by as much as 40 percent...These foods are rich in compounds called isothiocyanates, which are known to lower cancer risk..."Cooking can reduce 60 to 90 percent of ITCs, (isothiocyanates)," Dr. Li Tang...A second team of researchers from Roswell Park tested broccoli sprouts in rats.They used rats engineered to develop bladder cancer and fed some of them a freeze-dried extract of broccoli sprouts. The more they ate, the less likely they were to develop bladder cancer, said Dr. Yuesheng Zhang"...In a third study, a team at The Ohio State University fed black raspberries to patients with Barrett's esophagus, a condition that can lead to esophageal cancer...Ohio State's Laura Kresty and colleagues fed 1.1 ounces (32 grams) of freeze-dried black raspberries to women with Barrett's esophagus and 1.6 ounces (45 grams) to men every day for six months...They measured urine levels of levels of two compounds -- 8-isoprostane and GSTpi -- that indicate whether cancer-causing processes are going on in the body...Kresty said 58 percent of patients had marked declines of 8-isoprostane levels, suggesting less damage, and 37 percent had higher levels of GSTpi, which can help interfere with cancer causing damage and which is usually low in patients with Barrett's."


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