It is widely used in cosmetic products such as baby powder and adult body and facial powders, as well as in a number of other consumer products.In its natural form, some talc contains asbestos, a substance known to cause cancers in and around the lungs when inhaled (see Asbestos). Findings have been mixed, with some studies reporting a slightly increased risk and some reporting no increase. Many case-control studies have found a small increase in risk. The evidence about asbestos-free talc, which is still widely used, is less clear. Mortality from lung cancer and respiratory disease among pottery workers exposed to silica and talc. Researchers use 2 main types of studies to try to figure out if a substance or exposure causes cancer. No increased risk of lung cancer has been reported with the use of cosmetic talcum powder. Mortality among workers at a talc mining and milling facility. Talc use has not been strongly linked to other cancers, although not all possible links with other cancers have been studied extensively. Some limited research has also looked at a possible link between inhaled talc exposure at work and other cancers, such as stomach cancer.
Researchers might also expose normal cells in a lab dish to the substance to see if it causes the types of changes that are seen in cancer cells. Rosenblatt KA, Weiss NS, Cushing-Haugen KL, Wicklund KG, Rossing MA.
Studies of personal use of talcum powder have had mixed results, although there is some suggestion of a possible increase in ovarian cancer risk. Perineal powder exposure and the risk of ovarian cancer. Crawford L, Reeves KW, Luisi N, Balasubramanian R, Sturgeon SR.
There is very little evidence at this time that any other forms of cancer are linked with consumer use of talcum powder. Perineal powder use and risk of endometrial cancer in postmenopausal women.
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Mono Price.com) specializes in the wholesale distribution of world class cable assemblies for home theater, PC, and high technology industries.(A substance that causes cancer or helps cancer grow is called a carcinogen.) The American Cancer Society looks to these organizations to evaluate the risks based on evidence from laboratory, animal, and human research studies.