By Cancer Research UK Staff
Research has shown that exercise is safe, possible and helpful for many people with cancer.
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CLEAR ALL
Interest in using very high doses of vitamin C as a cancer treatment began as long ago as the 1970s when it was discovered that some properties of the vitamin may make it toxic to cancer cells.
Vitamin C (also called L-ascorbic acid or ascorbate) is a nutrient that humans must get from food or dietary supplements since it cannot be made in the body.