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Being Too Clean Could Be Making You Ill

29/11/2010 10:06 | Updated 22 May 2015

Hands that are too clean could lead to allergiesWashing your hands too often could lead to allergies. Photo: Flickr, Hygiene Matters

Where personal hygiene is concerned most of us believe there's no such thing as being too clean for our own good. But scientists from the University of Michigan beg to differ in their latest study, published in the journal Environmental Health Perspectives.

Overexposure to a chemical called triclosan, which is found in many brands of antibacterial soap and toothpaste, could make you susceptible to allergies such as hay fever, say the researchers. And it looks like another chemical commonly found in plastic products, called bisphenol A (BPA), could affect your immune system, they claim.

In tests the researchers analysed the amount of BPA and triclosan in volunteers' urine and discovered higher amounts of both chemicals were linked with high antibody levels, which suggests a problem with the functioning of the immune system. The volunteers who had the highest levels of triclosan in their urine were also more likely to have been diagnosed with allergies.

Both chemicals are labelled as endocrine-disrupting compounds - which, according to scientists, means they affect your hormones. But while it was previously thought that they were harmless in small amounts, a growing number of experts are concerned that they may be dangerous in low levels after all.

Only a few days ago the European Commission agreed to ban BPA from baby bottles in EU countries by the middle of next year, while last month Canada became the first country to label BPA as a toxic substance. It's found in a variety of plastic products, including bottles and the lining of food tins.

Are you worried about the number of chemicals in everyday products such as soap and plastics?

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