The American Society for Microbiology released a study that showed some interesting results about whether or not people are actually washing their hands. Here are some results of the findings.
According to the Mayo Clinic frequent hand-washing is one of the best ways to avoid getting sick and spreading illness. However, frequency of washings tends to pale in contrast to considering that the soaps we are using may have tumor causing side effects anyway.
Triclosan is a broad-spectrum antimicrobial agent that has become one of the most common additives used in consumer products. As a result, TCS has significantly affected the environment and has been frequently detected in human body fluids. Through a long-term feeding study, researchers found that TCS enhances hepatocyte proliferation, fibrogenesis, and oxidative stress, which, they believe, can be the driving force for developing advanced liver disease in mice. Indeed, TCS strongly enhances hepatocarcinogenesis after diethylnitrosamine initiation, accelerating hepatocellular carcinoma (HCC) development. Although animal studies require higher chemical concentrations than predicted for human exposure, this study demonstrates that TCS acts as a HCC tumor promoter and that the mechanism of TCS-induced mouse liver pathology may be relevant to humans.
Triclosan is perhaps the most widely used consumer antibacterial. Studies have found traces of it in 97 percent of breast milk samples from lactating women and in the urine of nearly 75 percent of people tested. Triclosan is also common in the environment: It is one of the seven most frequently detected compounds in streams across the United States.
“We could reduce most human and environmental exposures by eliminating uses of triclosan that are high volume, but of low benefit, such as inclusion in liquid hand soaps,” says study co-leader Bruce D. Hammock of the department of entomology and nematology, and the Comprehensive Cancer Center at University of California, Davis.
“Yet we could also, for now, retain uses shown to have health value—as in toothpaste, where the amount used is small.”
Triclosan is already under scrutiny by the FDA, due to its widespread use and recent reports that it can disrupt hormones and impair muscle contraction. Additional coauthors of this study contributed from UC San Diego and the Salk Institute for Biological Studies. Tukey and Hammock are directors of National Institute of Environmental Health Sciences Superfund Programs at their respective campuses. This research received partial funding from US Public Health Service grants. Source: UC Davis, Futurity
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