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Synopsis PCBs alter rat hormones, organs in two generations.
A mixture of PCB (polychlorinated biphenyl) chemicals altered reproductive hormones and organ growth in two generations of female rats that were never directly ...
Synopsis Mercury hotspots continue to impair human cognition.
Memory and concentration ability were lower in adults living near an abandoned Taiwanese factory where mercury was used many years ago.
Synopsis A worldwide pollutant may cause gene loss.
A new study suggests that long term exposure to a common water pollutant reduced the genetic diversity of the midge - a common water insect.
Synopsis People exposed to metals as hunting lodges replace mines.
Elevated levels of several toxic metals were found in red deer and wild boar that live in a region of Spain littered with abandoned mines, but now a hotbed for ...
Synopsis POPs change DNA in Greenlandic Inuit -- perhaps for generations.
Greenlandic Inuit with high levels of certain, long-lived industrial pollutants in their bodies also have DNA with altered function.
Synopsis Oil slicks cause heartaches in fish.
Crude oil disrupts the first heart beats of a developing fish, say scientists, who note that the heart may be the most sensitive target of harmful chemicals ...
Synopsis Illicit drugs blanket cities.
Cocaine, methadone and a slew of other drugs and illicite substances drift freely in the air of cities around the world.
Synopsis Early life radiation exposure causes long-lasting behavior changes.
Exposure to ionizing radiation just days after birth can impact anxiety and memory during later life, finds a new study with rats.
Blog Entry Pork problems.
The recent recall of Irish pork was driven by dioxin contamination, though several media outlets incorrectly referred to these chemicals as 'PCBs.'
Synopsis A blanket approach to safe and healthy beaches.
Studying beaches on a region-wide basis and not individually is a better way to manage beach health.
Synopsis Athletes kick up hidden toxic chemicals from artificial turf.
Artificial turf contains several toxic chemicals, including polycyclic aromatic hydrocarbons (PAHs), zinc, chromium and lead that in many cases, exceed safe ...
Synopsis Researchers find key to differences in dioxin sensitivity.
If all birds in the Great Lakes basin were chickens, dioxins would kill them all. Dioxin-like compounds are toxic to most vertebrates, but significant ...
Synopsis Cattle show that ranchers have reason to worry.
Cattle living near two industrial plants in Texas have a kind of DNA damage that is linked to an increased risk of developing cancer, according to this study ...
Synopsis Too much mercury or too little selenium? Fishing for answers.
Scientists show that comparing mercury and selenium levels in fish provides a more accurate way to assess mercury's toxic effects than reporting mercury alone, ...