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A Small Dose of Toxicology

by Josh Vincent — last modified Jul 12, 2012 04:18 PM
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Steven Gilbert's excellent book, A Small Dose of Toxicology, is now available in its 2nd edition as a free download. read more...

Fisheries Service Finds Three Herbicides Imperil West Coast Salmon

by Josh Vincent — last modified Apr 09, 2012 12:29 PM
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The detailed analysis highlights failings in EPA's current regulation of pesticides. read more...

Tug of War

by Josh Vincent — last modified Dec 21, 2011 05:03 PM
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2011's story of environmental groups, chemical companies, and the battle for science. read more...

Pesticides and Breast Cancer

by aseligmann — last modified Oct 01, 2010 12:00 AM

Every October during National Breast Cancer Awareness Month, women are educated about the importance of early detection through regular screening. Early diagnosis of breast cancer increases a woman's chances of surviving breast cancer. But what causes breast cancer? Can it be prevented? read more...

Health Effects of Chronic Pesticide Exposure

by aseligmann — last modified Aug 07, 2010 12:00 AM

Scientific evidence showing that pesticides are harmful to our health is increasing rapidly. Recently, a review by government researchers looked at links between pesticide exposure and both cancer and nervous system problems and found yet more of this evidence. The review "clearly suggests that at current exposures pesticides adversely affect human health." The review also suggests that the way pesticides are currently regulated, based mostly on studies of laboratory animals, is problematic: the health effects found in the review show that "either animal testing alone or its interpretation in public policy is not sufficient to protect human health. read more...

Hazards of Common Flea Insecticides

by aseligmann — last modified Aug 04, 2010 12:00 AM
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Imidacloprid (often sold as Advantage) Imidacloprid is toxic to animal nervous systems. In a test conducted by an imidacloprid manufacturer, it caused tremors in laboratory animals. read more...

Permethrin and Hormones

by aseligmann — last modified Jul 30, 2010 12:00 AM

In recent years, scientists have become increasing concerned about the ability of pesticides and other chemicals to disrupt our hormone systems. Hormones are chemical messengers that control importnat processes like growth, development, and sexual function so these concerns are significant. New research shows that the common household insecticide – permethrin – can disrupt hormones. read more...

Common Herbicide Linked with Pregnancy Problems and Hormone Disruption

by aseligmann — last modified Jul 27, 2010 12:00 AM

New research often finds that pesticides cause unexpected effects on our health. A recent study of the commonly used herbicide Roundup not only found unexpected effects, but also found that the combination of ingredients in Roundup was more toxic than glyphosate, the so-called "active" ingredient in Roundup. read more...

Ontario Family Physicians Systematic Review

by aseligmann — last modified Jul 27, 2010 12:00 AM
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Is there solid scientific evidence to show that pesticide exposure is harmful to human health? Sometimes this question is thought to have a controversial answer, especially among health professionals. However, the Ontario College of Family Physicians just completed a year-long systematic review of published research and concluded that there are "consistent links to serious illnesses." read more...

Lessons from the Burden of Toxic Chemicals We Carry In our Bodies

by aseligmann — last modified Jul 26, 2010 12:00 AM
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We are all carrying a surprising number of toxic chemicals in our bodies, according to a number of studies including some conducted by the Centers for Disease Control and Prevention. But what is the source of this exposure? What can we do to prevent it? A new assessment concludes that much of the exposure comes from products (including pesticides) and building materials that we use in our homes, workplaces, and the other indoor places where we spend our time. Since these exposures are mostly not regulated by environmental laws, we need to protect ourselves by using nontoxic alternatives. read more...