In clinical trials these substances have killed germs and showed potential in preventing cancer and fighting heart disease.
It was hypothesized, therefore, that a COX-2 inhibitor could be of value in eliminating these polyps and preventing colon cancer in people predisposed to such polyps.
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This roughage is important in prevention of constipation and may be beneficial in preventing colon cancer and diverticulosis, the development of small pouches off the intestine.
It was gradually replaced by lumpectomy and whole-breast irradiation after several long-term, randomized trials showed this treatment was as effective as removing the entire breast in preventing cancer recurrence and prolonging survival.
Studies show that it's about 90% effective in preventing breast cancer in moderate and high-risk women.
What's all this about mangosteen juice preventing cancer, curing dyspepsia and erasing cataracts?
Other studies have suggested that this food regimen may help in preventing second heart attacks, lowering cancer risk and stopping the need for diabetes drugs in patients with type 2 diabetes.
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It is hoped this combination will stimulate the immune system to recognising and destroying cancer cells, while at the same time preventing rapid re-population by any cells not killed off by the immune defences.
The most important presentation shows studies that its Avastin drug works against certain lung and breast tumors and that Herceptin, a breast cancer drug, is effective in preventing tumors from returning.
Part of the issue is that the benefit of taking insulin is so big--preventing blindness and organ damage--that even a small long-term cancer risk might be acceptable.
As well as fighting off cancer and heart disease, vitamin A has also been linked to preventing macular degeneration, and eye condition that can lead to blindness.
Other drugs are being studied for their promise in preventing breast cancer, including a Vitamin A-derivative called fenretinide and the antiosteoporosis drug raloxifene, sold by Eli Lilly lly (nyse: lly - news - people) under the brand name Evista.
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