Scientists are reporting that particle size affects the toxicity of zinc oxide, a material widely used in sunscreens. Particles smaller than 100 nanometers are slightly more toxic to colon cells than conventional zinc oxide. ...
Bio & Medicine
Apr 7, 2010
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Using a particular type of titanium dioxide—a common ingredient in cosmetics, food products, toothpaste and sunscreen—could reduce the potential health risks associated with the widely used compound. The report on the ...
Materials Science
Sep 25, 2013
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Scientists are reporting development of a fast, simple, inexpensive method for determining whether chemicals in consumer products and workplaces may cause skin allergies in people -- a method that does not involve use of ...
Other
May 26, 2010
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Large variations exist in peoples' ability to eliminate arsenic from the body, according to a new study that questions existing standards for evaluating the human health risks from the potentially toxic substance. The study ...
Biochemistry
Aug 26, 2009
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Government limits on mold toxins present naturally in grain crops should be expanded to include so-called "masked mycotoxins" that change from harmless to potentially harmful forms in the body, a new study concludes. It appears ...
Biochemistry
Feb 13, 2013
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