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While all links worked when entries were posted to the database, different publishers
have different policies about retaining articles and providing access to archived material.
Thus some of the links, particularly older ones, may no longer be functional.
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A new study finds that young children have significantly lower levels of a key enzyme that protects against the toxic effects of certain pesticides. The youngsters' enzyme levels do not catch up to an adult's until after age seven – far longer than previously thought.
In addition, a person's genes dictate how effective the enzyme is at breaking down the pesticides. This is one reason why some people are more susceptible to the effects of pesticides than others. 21 July 2009. More...
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...
A new study shows that pesticides, some already banned for decades from the US market, continue to persist in homes.
DDT and chlordane – two pesticides that have been banned for decades – were found in 42 percent and 74 percent of homes respectively. Chlorpyrifos and diazinon, both banned for several years, were detected in 78 percent and 35 percent of homes respectively. 16 June 2009. More...
Exposure to commonly used agricultural pesticides may increase the risk of developing Parkinson’s disease, particularly among people who have certain gene types.
The degenerative nerve disease can develop when dopamine levels in the brain are lower than normal. Without pesticide exposures, susceptible gene variants alone were not sufficient to increase risk. The increased risk to Parkinson's required both susceptible genes and pesticide exposure. 14 May 2009. More...
Little is known conclusively about what causes brain cancer in children, but research studies are consistently finding links to prebirth pesticide exposure.
A new study finds that children who live in homes where their parents use pesticides are twice as likely to develop brain cancer versus those that live in residences in which no pesticides are used. Herbicide use appeared to cause a particularly elevated risk for a certain type of cancer. 7 April 2009. More...
A mix of two pesticides had greater toxic effects on exposed salmon than would be expected from one separately, adding to concerns that health risks from pesticides are underestimated.
Almost all risk assessments are conducted one chemical at a time, even though wildlife and humans are always exposed to many chemicals at a time. 19 December 2008. More...
Pregnant women exposed to household pesticides may increase the risk of their children developing leukemia, according to a recent study conducted in France.
In the study, parents of leukemia patients were more likely to have used pesticides and insecticides either at home or at work. Exposure to these chemicals is a risk factor for blood cancers, particularly if children are exposed in the womb, the authors' conclude. 5 February 2008. More...
Women who reported mixing and applying agricultural pesticides during early pregnancy have a two times higher risk of developing gestational diabetes during the pregnancy.
Consistent with other studies, the strong association between first trimester pesticide exposure and gestational diabetes mellitus suggests that pesticide exposures, including 2,4,5-T and atrazine, may affect glucose metabolism and insulin resistance. 6 July 2007. More...
Soils in some neotropical montane forests display much higher concentrations of currently used pesticides than soils elsewhere in the country.
The pesticides are used in lowland areas, but volatilize and then are carried by winds to higher altitudes, where they accumulate. These results indicate that pesticides may be contributing to the extinction of montane frogs in seemingly pristine forest reserves. Environmental Science and Technology. 9 March 2007. More...
Traditional covert influence of industry on occupational and environmental health policies has turned brazenly overt in the last several years.
More than ever before the OEH community is witnessing the perverse influence and increasing control by industry interests. Government has failed to support independent, public health-oriented practitioners and their organizations, instead joining many corporate endeavors to discourage efforts to protect the health of workers and the community. International Journal of Occupational and Environmental Health [PDF]. 2 March 2007. More...
Self-reported residential pesticide use is associated with a 39% increase in breast cancer risk.
Increased risk was seen for lawn and garden pesticide use, but not insect repellants or products to control pet ticks, fleas or lice. This finding comes from a study on Long Island, NY, of 1,508 newly diagnosed women matched with controls. However, there was no indication that higher use caused greater risk. American Journal of Epidemiology. 3 January 2007. More...
In a large study of US women living on farms, use of pesticides is associated with a later age at menopause.
Women who used pesticides underwent menopause an average of 3 months later compared to women who did not use pesticides. This increased to a 5 month delay when hormonally-active pesticides were used, such as atrazine, DDT, lindane, or mancozeb/maneb. Previous studies have found an earlier age at menopause with pesticide exposure; this may be due to differing endocrine disrupting effects in different types of pesticides or differences in study design. American Journal of Epidemiology 22 February 2006. More...
Science Byte: Research on farmer's wives reports an increased risk of retinal degeneration associated with using fungicides.
Self-reported retinal degeneration was 90% more likely in farmers' wives who used fungicides. Three compounds appeared to drive the association: maneb, mancozeb and ziram. The results are consistent with studies of farmer pesticide applicators. American Journal of Epidemiology. 18 May 2005. More...
Pesticide use in women farm workers is associated with changes in menstrual cycles.
In this study, women who used pesticides experienced longer periods and were more likey to miss periods than women who never used pesticides. Furthermore, women using pesticides known to mimic hormones were 60-100% more likely to have longer cycles, missed periods, and breakthrough bleeding. These changes are significant because they could result in reduced fertility. American Journal of Epidemiology. 15 December 2004. More...
Research in Iowa finds that children of farmers licensed to apply pesticides are at greater risk to cancer.
For all cancers combined, their childrens' risk was increased by 36%. The risk of childhood lymphoma was doubled. Children whose fathers did not wear chemically resistant gloves faced twice the risk of developing cancer, compared to children whose fathers wore them. 2 October 2004. More...
Paternal agricultural work in the areas of Spain where pesticides are massively used increases the risk of fetal death from birth defects.
Compared to manual workers or other ares of Spain, the risk of fetal death from birth defects was greatest during time periods of maximum use of pesticides. Occupational and Environmental Medicine 1 April 2004. More...
After the EPA banned chlorpyrifos and diazinon banned residential use of two pesticides, chlorpyrifos and diazinon, exposures to babies in the womb were reduced and the birth weight of the babies improved.
Prior to the ban, there was a strong positive relationship between pesticide levels in umbilical cord blood and birth weight. After the ban, this correlation quickly disappeared. 22 March 2004. More...
Women working in agriculture with exposure to organophosphate pesticides late in pregnancy go into labor earlier than expected.
Increase in blood levels of organophosphate metabolites and decreases in cholinesterase levels were associated with a dose-response related decrease in gestational length. No association was found for a decrease in fetal growth. Although there is biological plausibility for these changes to stimulate contraction of the uterus, the babies born in this study were not preterm. Environmental Health Perspectives 11 March 2004. More...
A review of the scientific evidence demonstrates that employment in agriculture is associated with a number of adverse reproductive event.
The epidemiological studies presented in this paper refer to the association between agricultural occupation of parents and the incidence of infertility, congenital malformations, miscarriage, low birthweight, small-for-gestational-age (SGA) birth, preterm delivery and stillbirth.The literature review suggests a great need to increase awareness of workers who are occupationally exposed to pesticides about their potential negative influence on fertility and pregnancy outcome. International Journal of Occupational Medicine and Environmental Health. 1 February 2004. More...
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...
Occupational exposures to pesticides in Poland is linked to low birth weight and preterm birth.
Mothers exposed to pesticides, on average delivered half a week earlier than those non-exposed. Infants born to pesticide exposed mothers weighted about 100 g less than infants of the non-exposed women. International Journal Occupational Medicine and Environmental Health. 3 March 2003. More...
A study by the Northern California Childhood Leukemia Study (NCCLS) adds new strength to suspected links between pesticides and childhood leukemia.
Pesticide use in the home had its largest effect on childhood leukemia risk during pregnancy. Pesticide application by professionals not only failed to reduce risk but was associated with a more-than-doubling of risk. More frequent applications led to greater risk, as well. Bottom line: avoid home pesticide use if you want to minimize the risk of childhood leukemia in your family. 17 August 2002. More...
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...
CDC team finds phthalate residues in urine of California children.
The types of phthalates detected suggest that exposure is via consumer products such as fragrance-containing soaps, shampoos and perfumes, as well as nail polish and beauty products. The presence of the metabolic byproduct of diethylhexyl phthalate (DEHP) indicates that another route of exposure was via DEHP-containing toys. 1 March 2002. More...
A study of Ontario farm families finds miscarriage is associated with pesticide exposure.
Exposure to commonly used herbicides up to 3 months prior to conception is associated with a 40-50% increase in early miscarriages. After conception, exposure to other types of pesticides is associated with a 70-80% increase in late miscarriages. 1 August 2001. More...
Risk of fetal death increases with pesticide exposure.
According to a study published in the March 2001 issue of Epidemiology, the risk of congenital birth defects leading to fetal death is increased if the mother is living within a 9 square mile area within which agricultural pesticides are being used. The largest risks are found when exposure takes place during weeks 3-8 of the pregnancy. Exposures to multiple types of pesticides increased the risk further. 1 March 2001. More...
Ontario male farmers exposed to pesticides father pregnancies at risk for preterm delivery and miscarriage.
Mixing or applying herbicides was associated with a two fold increase in preterm delivery. Miscarriage was associated with use of thiocarbamates, carbaryl and unclassified pesticides. There was no association between pesticides and delayed fetal growth or altered sex ratios. American Journal of Epidemiology 15 December 2000. More...
Occupational exposure to pesticides is associated with decreased rates of fertility in fruit growers in the Netherlands.
Application of pesticides and use of older spraying techniques were associated with an increased time to pregnancy. High exposures were over 3 times more likely to consult a physician because of fertility problems. Occupational and Environmental Medicine 10 October 2000. More...
Similar to findings in male agricultural workers, females who work or live on a farm have higher rates of infertility.
Among those who resided on a farm, the risk of infertility was increased 2-fold. The risk of having an ovulatory or tubal cause of infertility increased to over 4-fold among those in agricultural occupations. There are a number of factors associated with farm work that could cause infertility, including pesticide exposure. American Journal of Industrial Medicine 1 April 2000. More...
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