Air pollution may decrease eggs in women’s ovaries

June 26, 2019 by  
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Air pollution doesn’t only affect your lungs as new research suggests air quality may also be linked to a decrease in the number of eggs in women’s ovaries. It has long been known that environmental factors impact our reproductive systems, and multiple studies linked low sperm count with environmental indicators, but fewer examine the connection to ovaries. This newest study, presented at the European Society of Human Reproduction and Embryology is the first to look at the prevalence of eggs and not just fertility. Italian researchers collected hormone samples from 1,300 Italian women and compared their levels of the AMH hormone to air quality metrics. The AMH hormone typically signals a woman’s egg “reserves” but can also fluctuate depending on the woman’s age, genetics and if they are a smoker. Related: Almost all U.S. national parks have polluted air Researchers found that lower AMH hormone levels were associated with higher air pollution indices. This suggests that air pollution may be connected to lower egg count in ovaries. However, researchers also recognize that often air pollution is concentrated in areas with lower income and other environmental justice issues, therefore there are likely confounding factors that also impact women’s ovaries within these areas. The study also did not measure direct exposure to air pollution, only indirect exposure via the average air pollution index at the participants’ home address. “Living in an area associated with high levels of air pollutants in our study increased the risk of severely reduced ovarian reserve by a factor of two or three,” said Dr. Antonio La Marca, who led the research. Other studies have similarly linked air quality with womens’ reproductive health, including one study that links pollution with irregular menstrual cycles and another that connected ozone pollution with decreased fertility . More research is needed to clarify the findings and determine if this is a temporary or permanent effect for women. Via The Guardian Image via Ian MacNicol

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Air pollution may decrease eggs in women’s ovaries

California adds Monsantos glyphosate to list of chemicals known to cause cancer

June 28, 2017 by  
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Ever since the World Health Organization (WHO) deemed Monsanto’s glyphosate — a key ingredient in its Roundup weed killer — to be “ probably carcinogenic ,” the agrochemical giant has fought back with a vengeance. After California’s Office of Environmental Health Hazard Assessment (OEHHA) attempted to add glyphosate to its list of cancer-causing chemicals last year, the corporation sued the organization . Now, after rounds of legal battle, the branch of California’s Environmental Protection Agency says it will add glyphosate to a list of chemicals “ known to the state to cause cancer “ Proposition 65 , covered by California’s Safe Drinking Water and Toxic Enforcement Act of 1986, requires state officials to publish a list of chemicals which pose harm to human health by means of causing birth defects, cancer or other reproductive harm. It is updated at least once a year and typically includes more than 800 chemicals . As USA Today reports, businesses that sell products with banned ingredients are required to inform California consumers of the risk. As per Proposition 65, state officials were just doing their job by adding a chemical proven to cause birth defects, cancer, autism, ADHD, gluten intolerance , and a host of other ailments to the list. Fortunately, Monsanto lost its lawsuit against the state’s Office of Environmental Health Hazard Assessment last year. The company did file an appeal soon after, however – and this appeal’s ruling is still pending. If the company wins the appeal, Monsanto products that contain glyphosate will not require labels saying they cause cancer . Listing the ingredient as a known carcinogen under California’s Proposition 65, however, would require companies that sell the chemical in California to add warning labels to all packaging. Related: EPA official accused of killing investigation into Monsanto weedkiller Environmental groups cheered OEHHA’s decision to list glyphosate as cancer-causing. Nathan Donley, a senior scientist at the Center for Biological Diversity, said: “California’s decision makes it the national leader in protecting people from cancer-causing pesticides .” + California Proposition 65 Via Reuters , USAToday Images via Chafer Machinery , Shutterstock

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California adds Monsantos glyphosate to list of chemicals known to cause cancer

Consumers Reports Confirms Bisphenol A Leaches From Tin Cans

November 5, 2009 by  
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Lambert/Archive Photos/Getty Images Two new bits of research: A new study by members of the Reproductive Toxicology Branch of the EPA did not find any evidence that Bisphenol A (BPA), was a “gender bender” in female rats. BPA “Does not Alter Sexually Dimorphic Behavior, Puberty, Fertility and Anatomy of Female LE Rats” ( Abstract here , via Stats.org ) This is particularly good news in the light of the Consumers Union’s recent report that showed leaching of BPA from canned food, as reported in

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Consumers Reports Confirms Bisphenol A Leaches From Tin Cans

Negawatts From the Men’s Room

November 5, 2009 by  
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See the bee?

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Negawatts From the Men’s Room

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