Biopharmaceutical Cancer Genomics

Folic acid was treated as wonder vitamins when scientists discovered its benefits in preventing cancers. But recent studies have shown that high intake of folic acid might favor cancers in some people. Experts say that folic acid intake needs a careful watch as some people react to high intake of folic acid.

Connie Motter, co-chair of the National Council on Folic Acid says that it is difficult to determine the correct amount of folic acid require by a person as low consumption of folic acid is not recommended and too much folic acid is probably not good.

Folic acid is an artificial version of folate, a vitamin B9 that exist in green leafy vegetables, legumes and orange juice. It assists in generating and mange new cells in the body. The increasing birth abnormalities in United States, as spina bifida and anencephaly had stimulated to inculcate folic acid, in cereals grains and flours supplied in 1998. Since then, birth abnormalities rate has declined by 20% to 50%.

Folic acid should be taken as everyday supplement to the women who are at pregnancy stages especially during the first few weeks. Since more than 50% of pregnancies are unplanned, doctors suggest getting 800 micrograms of folic acid per day for women of childbearing age. Other benefits of folate include, fight against anemic conditions, congenital heart defects, premature birth and help to maintain nails, skin and hair healthy.

Researchers are of the opinion that higher doses of folic acid to a certain extent replace the action of vitamin B12 thereby preventing dementia developing in old people. Cancer is another scenario. The vitamins aid in the speedy growth of cancer cells in the colon and sustain the prevention of modifying into cancer. Studies relate cancers such as colorectal and precancerous polyps decrease by 40 percent to 60 percent if folic acid is taken excessively.

But folic acid also increases the risk of cancer because it aids the growth of cancerous cells. Research on animals revealed that if cells take turn to become cancer cells, than intake the vitamins will instead make the situation worse.

Researchers have found evidences of colorectal cancer in north America and said the rates have increased in number during the time of inclusion of folic acid in cereal grains. A study published recently had shown clear relation in the increase of colorectal cancer in Chile after the inclusion of folic acid with effect from year 2000. Joel B. Mason, Professor of nutrition science and policy at Tufts University in Boston, commented that it was not easy to relate to their understanding of the studies.

Folic acid is also worked alongside in clinical trials. The biggest trial involved around 500 people with precancerous colon polyps with a recommended dose of 1 milligram of folic acid (more than twice the suggested 400 micrograms dose). After few years, these people under trial reported the polyps developing more than 3 polyps, almost double the normal count.

Another recent report published in March stated that man who consumed folic acid supplements had almost thrice the chances of developing into prostate cancer after a decade.

The Institute of Medicine’s has set 1 milligram as the maximum intake of folic acid by the synthetic and natural sources together. Marian Neuhouser, a nutritional epidemiologist at the Fred Hutchinson Cancer Research Center in Seattle, concludes to say that this is the only piece of information that one can take home by not exceeding 1000 micrograms.

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