Tag Archives | exposure

dr_manhattan

Radiation’s bad rep a beat-up, controversial new research claims

University of Massachusetts toxicologist Edward Calabrese claims to have evidence that Nobel Prize winner Hermann Muller knowingly lied when he claimed in 1946 that there is no safe level of radiation exposure. Calabrese says that Muller and other researchers had actually established threshold levels where the effects of radiation were benign – or even helpful […]

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food_science

BPA exposure estimates wrong, say US researchers




New experiments by researchers at the University of Missouri (UM) show that exposure to the controversial chemical Bisphenol A (BPA) through diet has likely been underestimated by previous lab tests. In the new study, appearing in Environmental Health Perspectives, the researchers compared mice given a steady diet containing BPA to mice given a single exposure […]




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mice

BPA exposure during pregnancy alters offspring’s DNA




In animal studies, exposure to bisphenol A (BPA – a common chemical found in many plastic household items) during pregnancy is known to cause fertility defects in the offspring, and now researchers have told The Endocrine Society’s 91st Annual Meeting in Washington how those defects occur. The new findings join a growing body of animal […]




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labrat

Cleanliness Next To Sickliness




A group of scientists at The Scripps Research Institute have found a connection between poor T cell survival in the body and the development of autoimmunity. On the basis of this connection, the scientists are proposing a new hypothesis about the cause of autoimmunity, in which components of a person’s immune system attack the body’s […]




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