麻豆传媒

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Major federal regulatory agencies have agreed to accept chemical safety data from a synthetic skin test in lieu of an animal test, the National Toxicology Program announced today.

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Research study shows evidence that exposure to indoor allergens from dust mites and cockroaches is a risk factor for the development of allergic diseases and asthma.

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Guidelines for getting pregnant usually assume an average woman is fertile between days 10 and 17 of her menstrual cycle. But researchers at the National Institute of Environmental Health Sciences have demonstrated that only about 30 percent of women actually have their fertile window entirely within that timespan. (British Medical Journal)

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Wood Dust produced in furniture and cabinet manufacture, and common talc are among the substances being considered for listing in the next federal Report on Carcinogens.

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Men born with a birth defect have a substantially increased risk of having a child with a birth defect, a large population study revealed today.

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Using a lead-lowering drug to reverse IQ damage associated with lead exposure has proved ineffective.

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Scientists who combined data from five large breast cancer studies have found no link to the pesticide DDT or to PCBs, a widespread industrial chemical.

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High levels of dust mite allergens were found in bedding in 23 percent, or nearly a quarter, of homes sampled in the First National Survey of Lead and Allergies in Housing.

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Infant mice given genistein developed cancer of the uterus later in life. Data suggest that genistein is carcinogenic if exposure occurs during critical periods in a young animal's develpment.

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Allergen-proof mattress and pillow covers, weekly laundering of other bedding and very careful vacuuming and dry steam cleaning of bedroom carpets and upholstery can significantly reduce the levels of dust mite allergens in bedrooms.