toxicology

h7n9 Influenza Is Both Lethal and Transmissible in Animal Model for Flu

In 2013, an influenza virus that had never before been detected began circulating among poultry in China. It caused several waves of human infection and in late 2016, the number of people to become sick from the H7N9 virus suddenly started to rise. As of late July 2017, nearly 1,600 people had tested positive for avian H7N9. Nearly 40 percent…

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Common Antiseptic Ingredients De-Energize Cells and Impair Hormone Response

A new in-vitro study by University of California, Davis, researchers indicates that quaternary ammonium compounds, or “quats,” used as antimicrobial agents in common household products inhibit mitochondria, the powerhouses of the cell, as well as estrogenic functions in cells. Their findings appear online today (Aug. 22) in Environmental Health Perspectives, a publication of the National Institute of Environmental Health Sciences. Quats are…

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Chemical Used to Replace BPA in Plastic Accelerates Embryonic Development, Disrupts Reproductive System

Companies advertise BPA-free plastic as a safer version of products ranging from water bottles to sippy cups to toys. Many manufacturers stopped using bisphenol A, a chemical that is used to strengthen plastic, after studies linked it to early puberty and a rise in breast and prostate cancers. However, bisphenol S, or BPS, a common replacement for BPA in plastics,…

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International Ob-Gyn Group Urges Greater Efforts to Prevent Toxic Chemical Exposure

Dramatic increases in exposure to toxic chemicals in the last four decades are threatening human reproduction and health, according to the International Federation of Gynecology and Obstetrics (FIGO), the first global reproductive health organization to take a stand on human exposure to toxic chemicals. The opinion was written by obstetrician-gynecologists and scientists from the major global, US, UK and Canadian…

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Endocrine-Disrupting Chemicals can Adversely Affect Reproduction of Future Generations of Fish

Bisphenol A (BPA) is a chemical that is used in a variety of consumer products, such as water bottles, dental composites and resins used to line metal food and beverage containers. Often, aquatic environments such as rivers and streams become reservoirs for contaminants, including BPA. Now, University of Missouri researchers and U.S. Geological Survey (USGS) scientists have determined that fish…

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