Vitamin C, vitamin D may help fight lung cancer
By David Liu, Ph.D.
Lung cancer patients may want to consider taking some vitamin c and vitamin D. A new study released in the Sept 2, 2011 issue of Nutrition and Cancer suggests taking high doses of these vitamins may help fight lung cancer.
M.F. Chen and colleagues of China Medical University in Taichung, Taiwan found the combination of vitamin c and vitamin D significantly and dose-dependently inhibited tumor growth and metastasis in mice with lung cancer.
For the study, Chen et al. implanted Lewis Lung carcinoma in mice and waited for nine days and then injected two doses of the combo vitamins, 100 mg of vitamin c and 1 mg of vitamin D per kg of body weight and 1,000 mg of vitamin C and 10 mg of vitamin D per kg of body weight twice a week for 28 days.
The lung cancer treatment normalized the body weight of the mice with lung cancer and decreased the activity of plasma metalloproteinase and urokinase among other things.
The researchers said the vitamin c/d combo inhibited primary tumor growth and prevented lung cancer from spreading to other organs.
Vitamin C has been found in early studies protective against some forms of cancer. Actually some alternative doctors use high doses of this vitamin delivered by IV-injection to treat a variety of cancers.
Vitamin D deficiency has been linked with at least 17 types of cancers including lung cancer, which is diagnosed in about 220,000 men and women each year in the united States and kills about 170,000 annually in the country. Lung cancer survival rates are low.
Lung cancer is more likely to occur in individuals who are smoking or exposed to air pollution, indoor cooking fires, asbestos fibers or radon.
The lung cancer risk has also something to do with a person's dietary habit. Dietary fat is considered a possible risk, but this can be overcome by using calcium rich foods such as green leafy vegetables, according to Vitamin D Council.
At least three studies show that people who had greater exposure to ultraviolet-B ray, which is needed to make vitamin D in the skin were at a lower risk for lung cancer and death risk from this disease.
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