High doses of vitamin C injections reduced the size of tumors and slowed cancerous growths by about 50 percent in laboratory mice, according to US research.
High doses of vitamin C injections reduced the size of tumors and slowed cancerous growths by about 50 percent in laboratory mice, according to US research.
Researchers at the National Institutes of Health noted the phenomenon in brain, ovarian and pancreatic cancers, according to findings published in the August 5 issue of the Proceedings of the National Academy of Sciences.
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Ovarian cancer affects both the ovaries and is referred to as the 'silent killer' as the symptoms go unnoticed until the disease advances.
Ovarian cancer affects both the ovaries and is referred to as the 'silent killer' as the symptoms go unnoticed until the disease advances.
"The researchers traced ascorbate's anti-cancer effect to the formation of hydrogen peroxide in the extracellular fluid surrounding the tumors. Normal cells were unaffected," it said.
Injections were necessary because the body regulates vitamin C when ingested, so that higher doses cannot be attained.
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Pancreatic cancer often involves its exocrine part. It grows aggressively, and often detected late. Treatment options include surgery, radiation and chemotherapy.
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Scientists "injected ascorbate into the veins or abdominal cavities of rodents with aggressive brain, ovarian, and pancreatic tumors," the report said, delivering "up to four grams per kilogram of body weight daily."
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About Brain Tumor
Brain tumors are the abnormal growth of brain cells that may be benign or metastatic. Brain tumors account for about 2.4% of all the tumor diagnosesandare most challenging due to their critically delicate location.
Brain tumors are the abnormal growth of brain cells that may be benign or metastatic. Brain tumors account for about 2.4% of all the tumor diagnosesandare most challenging due to their critically delicate location.
Scientists involved with the study also pointed to evidence that "these high ascorbate concentrations could be achieved in people."
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Vitamin C / Ascorbic acid-Toxicity-Supplements-Vitamin B6-Vitamin B9-Vitamin B12
Vital info about vitamin C, its molecular structure, dietary sources, beneficial aspects, symptoms of deficiency and toxicity, supplementation tips and related research news are discussed in detail
Vital info about vitamin C, its molecular structure, dietary sources, beneficial aspects, symptoms of deficiency and toxicity, supplementation tips and related research news are discussed in detail
The researchers concluded that the findings "provide the first firm basis for advancing pharmacologic ascorbate in cancer treatment in humans."
Vitamin C was considered as a possible treatment for cancer three decades ago, but subsequent studies showed oral doses provided no benefit.
Source-AFP
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