About 30 years ago scientists started shoing great interest in vitamin C as a potential cancer treatment. Series data showed a possible benefit and in 1979 but 1985 the researchers reported no benefit for cancer patients taking high oral doses of vitamin C in two double-blind, placebo-controlled clinical trials.

However, high-dose injections of vitamin C, also refered as ascorbic acid, has ben hown to reduce tumor weight and growth rate by about 50 percent in mouse models of brain, ovarian, and pancreatic cancers. This result has been given by researchers from the National Institutes of Health (NIH) report in the August 5, 2008.

In their experiment the researchers traced ascorbates anti-cancer effect to the formation of hydrogen peroxide in the extracellular fluid surrounding the tumors. Normal cells were unaffected.

The conclusion is that natural physiologic controls precisely regulate the amount of ascorbate absorbed by the body when it is taken orally.

So, scientist advise you to eat food that contain more than 200 milligrams of vitamin C daily. This may be two oranges and a serving of broccoli. If you do this, your body prevents blood levels of ascorbate from exceeding a narrow range.

Vitamin C plays a critical role in health, and a prolonged deficiency leads to scurvy and eventually to death.

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