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Study Casts Doubt on Hot Dogs' Link to Colon Cancer
Posted 24 Oct 2011 by Drugs.com
MONDAY, Oct. 24 – A U.S. government requirement that vitamin C or one of its close relatives be added to hot dogs, to reduce the amount of nitrites found in this popular food, may not have lowered the rate of colon cancer cases after all, a new study suggests. Back in 1978, the U.S. Food and Drug Administration mandated that the meat industry include vitamin C (ascorbate) or its close cousin, erythorbate, in hot dogs to offset the amount of nitrites. Nitrites are added to cured, processed meats such as hot dogs to enhance their flavor and color, and to extend their shelf life. The problem is that during the cooking process, nitrites combine with amines in meat to form cancer-causing nitrosamines. Since vitamin C was added to hot dogs, the researchers found that there has been a sharp drop in the number of people who die from colon cancer, but the incidence of colon cancer has not ... Read more
Related support groups: Colorectal Cancer, Vitamin C, Ascorbic Acid, Cecon, Protexin, C/Rose Hips, Ester-C, Sunkist Vitamin C, Cenolate, C-Time, Cevi-Bid, Vitamin C with Rose Hips, Mega-C/A Plus, Cemill, Ascorbic Acid Quick Melts
Study Finds Vitamins E and C Don't Reduce Cataract Risk in Men
Posted 11 Nov 2010 by Drugs.com
THURSDAY, Nov. 11 – Long-term use of vitamin E and C supplements doesn't reduce the risk of age-related cataracts in men, a new study finds. "An estimated 20.5 million persons 40 and older in the United States show some evidence of age-related cataract," wrote study author William G. Christen, of Brigham and Women's Hospital and Harvard Medical School in Boston, and colleagues, in a news release. Because oxidative damage is a prominent feature of cataracts, he said, "one focus of nutrition research has been the link between dietary intake of nutrients with antioxidant potential, particularly vitamins E and C, and the risk of cataract." To study the effects of these vitamins, the researchers enrolled 11,545 healthy U.S. male physicians aged 50 and older. They were randomly assigned to take 400 international units (IU) of vitamin E daily or a placebo, or 500 milligrams of vitamin C on ... Read more
Related support groups: Dietary Supplementation, Cataract, Vitamin C, Vitamin E, Ascorbic Acid, Cecon, Protexin, Sunkist Vitamin C, Vitamin E Deficiency, Ester-C, C/Rose Hips, Aquasol E, Alpha E, Aquavite-E, E Pherol
Vitamins May Not Curb High Blood Pressure in Pregnant Diabetics
Posted 27 Jun 2010 by Drugs.com
SATURDAY, June 26 – Taking vitamin C and E supplements will not lower the risk of the blood pressure disorder known as preeclampsia in pregnant women with type 1 diabetes, a new study finds. Women with diabetes are at high risk for preeclampsia (a sudden increase in the mother's blood pressure after the 20th week of pregnancy), and prior research has suggested that because type 1 diabetes is associated with increased oxidative stress and lower levels of antioxidants in the body, taking antioxidant vitamins might help. The British study included 762 pregnant women with type 1 diabetes. They were randomly assigned to take 1000 milligrams of vitamin C and 400 international units (IU) vitamin E (379 women) or placebo (383 women) daily from between eight and 22 weeks of gestation and delivery. The rate of preeclampsia was 15 percent in the vitamins group and 19 percent in the placebo group. ... Read more
Related support groups: Diabetes, Type 1, Vitamin C, Vitamin E, Toxemia of pregnancy, Ascorbic Acid, Cecon, Protexin, Sunkist Vitamin C, Ester-C, C/Rose Hips, Aquasol E, Alpha E, Aquavite-E, E Pherol, Vicks Vitamin C Drops
Vitamins C, E Won't Cut Risk of Pregnancy-Linked Hypertension
Posted 8 Apr 2010 by Drugs.com
WEDNESDAY, April 7 – Mothers-to-be who take vitamin C and E supplements do not reduce their risk of the dangerous high blood pressure condition called preeclampsia, a new study finds. Although other studies have suggested that these antioxidant vitamins could prevent preeclampsia, this trial of more than 10,000 women found there was no sign "that the drugs did anything to prevent the diagnosis of preeclampsia," lead researcher Dr. James M. Roberts, from the departments of obstetrics and gynecology at the University of Pittsburgh, said during an afternoon news conference Tuesday. "That was the disappointing news," he added. "On the other hand, there was no evidence of problems associated with it [the vitamins] that might have been suspected from earlier trials, except for the interesting finding" that women who took the vitamins experienced spikes in blood pressure slightly more often ... Read more
Related support groups: Vitamin C, Vitamin E, Toxemia of pregnancy, Ascorbic Acid, Cecon, Protexin, Sunkist Vitamin C, Ester-C, C/Rose Hips, Aquasol E, Alpha E, Aquavite-E, E Pherol, Vicks Vitamin C Drops, Cemill
Stem Cell Research Gets a Boost From Vitamin C
Posted 25 Dec 2009 by Drugs.com
THURSDAY, Dec. 24 – Vitamin C is often recommended to help fight the common cold and heal wounds, but the antioxidant might have another benefit: it appears to help adult cells generate embryonic-like stem cells, new research suggests. The findings, published online Dec. 24 in the journal Cell Stem Cell, add to previous research that showed how adult cells can be reprogrammed. The problem, researchers explained, is that the process doesn't work very well. "The low efficiency of the reprogramming process has hampered progress with this technology and is indicative of how little we understand it. Further, this process is most challenging in human cells," senior study author Duanqing Pei, of the South China Institute for Stem Cell Biology and Regenerative Medicine at the Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, said in a news release from the journal's ... Read more
Related support groups: Vitamin C, Ascorbic Acid, Cecon, Protexin, C/Rose Hips, Ester-C, Sunkist Vitamin C, Cenolate, C-Time, Cevi-Bid, Vitamin C with Rose Hips, Mega-C/A Plus, Cemill, Ascorbic Acid Quick Melts, Cemill 500