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Invasive Garden and Landscape Plants

by aseligmann — last modified Aug 08, 2010 12:00 AM

Invasive plants have become a problem nationwide. In natural areas, these non-native plants can sometimes take over and out-compete native plants. When native plants suffer, so do the animals that depend on them for food and habitat. 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...

Lawn Herbicides End Up in House Dust

by aseligmann — last modified Aug 06, 2010 12:00 AM

Do herbicides used on your lawn end up inside your house? There are only a few scientific studies that have tried to answer this question. A new study from the National Cancer Institute (NCI) adds to the evidence that herbicides used on lawns are tracked inside houses where they can persist for months or years. 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...

Mosquito Spraying for West Nile Virus

by aseligmann — last modified Aug 03, 2010 12:00 AM

There are no comprehensive statistics about how many illnesses or environmental problems are caused by mosquito spraying, even though such incidents occur frequently. The following incidents are examples of the kinds of problems that have been reported to the U.S. Environmental Protection Agency (EPA) following insecticide spray programs around the country. read more...

Study Links Herbicide use and Cancer

by aseligmann — last modified Aug 02, 2010 12:00 AM

A series of studies has found that farmers develop non-Hodgkin's lymphoma more often than other people do, but until now it has been difficult for scientists to explain why this increase occurs. New research, however, shows that exposure to the herbicide glyphosate, commonly sold as Roundup, is one explanation. The study was published in 2003 by researchers at the National Cancer Institute, the University of Nebraska Medical Center, Kansas University Medical Center, and the University of Iowa College of Medicine. read more...

Insecticide Exposure is Common: Kids are Exposed More than Adults

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

The National Health and Nutrition Examination Survey, conducted by the U.S. Centers for Disease Control (CDC), is the first study to look at insecticide exposures of a statistical sample of all Americans. Recently, CDC scientists published an analysis of how insecticide exposure varies among Americans of different age read more...

Minimizing Children's Exposure to Pesticides is Prudent

by aseligmann — last modified Jul 31, 2010 12:00 AM

Do pesticides cause special problems for children? A new review of a series of research studies completed during the last decade suggests that the answer to this question is yes, and that we need to be sure that children are being exposed to pesticides as little as possible. 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...

Exposure to Fungicides Linked with Nerve Damage

by aseligmann — last modified Jul 29, 2010 12:00 AM

Most researchers agree that high levels of exposure to certain pesticides damage nerves, but there has been more controversy about whether long-term moderate exposure to pesticides can damage our nervous system. A new review compiles research showing that this kind of exposure to insecticides, fungicides, and fumigants is linked with nerve damage. The researchers noted the links with fungicide use, as these were unexpected. read more...