Vitamin C Protects Non Smokers
Nutrition experts at the University of California, Berkeley, has conducted research indicating that vitamin C reduces oxidative stress for those exposed to tobacco smoke or second hand, to reduce the risk of atherosclerosis – a disease affecting vases arterial blood – as well as heart disease, cancer and other chronic diseases.
The study was published in the journal Nutrition and Cancer, and was funded by the University of California Tobacco-related Disease Research Program. The National Cancer Institute supported the research.
The study based its findings on the theory that vitamin C can reduce oxidative stress. Cigarette smoke contains free radicals that can cause cell damage. Many studies have been conducted successfully, which measures the effect of smoking on vitamin C, but there are few studies examining the effects of vitamin C on those who are constantly breathing the second hand smoke.
The researchers studied 67 non-smokers, divided into three groups. The first group took 500 milligrams of vitamin C per day and the second group took a mixture of vitamins C and E, together with the antioxidant alpha lipoic acid. The third group was given placebo capsules.
All participants had stopped taking vitamins five weeks earlier and were chosen because they were exposed to cigarette smoke indoors on a daily basis at least one cigarette a day and do not consume large quantities of fruit, vegetables or alcohol that would influence oxidative stress levels.
In the study, researchers tested for the F2-isoprostanes, generated through a form of oxidative stress called lipid peroxidation. Lipid peroxidation can lead to damage of the cell membrane.
After two months of taking vitamin C, virtually a household name across antioxidants rel = nofollow , blood levels of F2-isoprostanes fallen considerably. Compared with the group taking the placebo, vitamin C group saw a 11.4 percent decrease in the levels of F2-isoprostanes, while those that vitamin C, E and the mixture of antioxidants has seen a 12.7 percent decline . Since there was a significant difference between the two groups taking the vitamins, the researchers agreed that vitamin C has been the key ingredient.
They also found that levels of ascorbic acid in the blood increased significantly – 32 percent in the vitamin C group and 41 percent in the mixed group.
The study is raising eyebrows of community health and even if they are not saying that taking vitamin C per day will be the prevention of chronic diseases are very confident that supplements of vitamin C reduces the amount of smoking related diseases for those who are forced to face second-hand smoke.
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