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Management measures that keep unwanted pests out of buildings and apartments can control cockroaches and their associated allergens better than traditional pesticide sprayings. This is the first study to show how a one-time, low cost visit by professionals can effectively reduce the insects' populations for up to six months. Sealing cracks and using bait traps--rather than periodic pesticide applications--to control the pests lowers people's indoor exposures to unhealthy toxic chemicals and allergens that can lead to asthma. 22 June 2009. More...
Researchers report that very minute quantities of the hormone found in the birth control pill alter sperm development in rainbow trout by changing the number of chromosomes, which can lead to lower survival and long-term health problems in the offspring. This error is called aneuploidy. For people, aneuploidy is the biggest known cause of spontaneous miscarriage and the number one cause of congenital birth defects. 17 February 2009. More...
New research confirms that estrogenic contaminants can seep into sediment after being carried by sewage into rivers. Standard water treatment doesn't remove them from waste water effluent, so they pass from treatment plants into rivers. Once in river waters, they move into river sediments and thus potentially reach groundwater, contaminating sources of drinking water. 8 October 2007. More... [related stories]
Researchers report that chemical contaminants in soil suppress crop yields of alfalfa by interfering with chemical signaling essential for nitrogen fixation. They estimate that over a full growing season crop yields may be decreased by as much as one-third. The contaminants interfere with how nitrogen-fixing bacteria communicate with their plant hosts using phytoestrogens. 6 June 2007. More... [related stories]
Extensive results from studies of endocrine-disrupting compounds indicate that toxicological testing can no longer assume high dose results predict the effect of low doses. Because the design of all regulatory testing has been based upon this assumption, it is highly likely to have missed low dose effects and led to health standards that are too weak. 30 April 2007. More... [related stories]
A detailed analysis of the studies industry uses to defend bisphenol A reveals deep flaws and strong biases against finding adverse effects. Not only is industry's own research flawed, but they have repeatedly chosen to ignore all but a handful of the studies on low level effects of bisphenol A that have been published in the peer-reviewed scientific literature. Most Americans are exposed to this contaminant at levels that cause effects in animals. 10 January 2006. More... [related stories]
A study in Harlem finds that IPM is a cost effective intervention for cockroach control, without dangerous pesticides. A study in east Harlem NY shows that over a six month period IPM can cut cockroach infestations dramatically, as or more cheaply than conventional chemical pesticide treatments. 3 July 2003. More... [related stories]
A study of women living in Filipino farming households finds regular use of pesticides is associated with increased risk of adverse pregnancy outcomes. Compared to farmers who used pesticides only when necessary, farming household that regularly used pesticides were 6 times more likely to have a miscarriage and 4.5 times more likely to have a baby with a birth defect. International Journal Occupational Environmental Health. 1 July 2002. More...
Organic food carries demonstrably and significantly lower pesticide contamination than conventionally-grown produce. This reassuring but unsurprising result published in the scientific journal "Food Additives and Contaminants" will help establish the baseline against which further improvements mandated by the Food Quality Protection Act of 1996 in conventional and IPM-based agriculture can be compared. 1 May 2002. More... [related stories]
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