«Taken together, these studies demonstrate that low levels of
environmental exposure to these chemicals may adversely affect early IVF outcomes that are critical to getting pregnant and maintaining a healthy pregnancy,» Hauser said.
In the past decade, ethical questions in science have made headlines on issues such as the patenting of human genes, financial conflicts of interest in biomedical research and risk assessments related to
environmental exposure to chemicals.
Autoimmunity is a multifactorial condition; certain infections, stress, chronic inflammation in the gut, genetics, allergies and food intolerances, and
environmental exposure to chemicals can all play a role in the development of autoimmune disease.
Not exact matches
While the quantity of any particular
chemical linked
to health and
environmental hazards is in most cases very small, those small doses add up daily and
exposure to derived health risk increases.
A fact sheet from the US
Environmental Protection Agency (EPA), indicates that about 90 % of
exposure for humans is due
to eating contaminated food, since dioxins and furans typically accumulate in the fatty tissues of fish and animals that are exposed when these by - products are released into the water and air during manufacturing.2 Dioxin is not metabolized in our bodies, and is passed
to our children through the placenta and breastfeeding.3 Sodium Polyacrylate - Super Absorbent Polymers While actual contact with disposable diapers does not contribute
to dioxin accumulation in your baby, your baby's bottom does come in contact with
chemicals used
to increase the absorbency of the diapers.
Use low or no - VOC paint and finishes in your home, especially in your baby's nursery
to decrease
exposure to environmental chemicals.
Years of
exposure to environmental toxins such as pesticides, paint strippers and other
chemicals could be having more subtle effects on the way in which genes within the sperm are tagged and used later on.
It is also influenced by some as yet unknown
environmental factors (some speculate a susceptibility
to certain viruses such as coxsackie, others implicate
exposure to certain very specific
chemicals, most certainly not included in baby formula).
The
Environmental Working Group tested infant formula and found, «For 1 in 10 cans of all food tested, and 1 in 3 cans of infant formula, a single serving contained enough BPA
to expose a woman or infant
to BPA levels more than 200 times the government's traditional safe level of
exposure for industrial
chemicals.»
Americaâ $ ™ s
Environmental Protection Agency (EPA) is very concerned about the findings and considers
exposure to this
chemical as a very serious issue.
Environmental chemical exposure can be the result of diverse conditions including: workplace conditions (where you are exposed
to a high level of
chemicals on a daily basis), living near farmland (where pesticides are sprayed),
exposure to high traffic areas, or even the cumulative effects of everyday common
chemicals in the household.
«Our results indicate that a wide range of POPs have been remobilized into the Arctic atmosphere over the past two decades as a result of climate change, confirming that Arctic warming could undermine global efforts
to reduce
environmental and human
exposure to these toxic
chemicals,» write the scientists, whose analysis was published yesterday in the journal Nature Climate Change.
In addition, most cases of breast cancer are not hereditary, from BRCA or other mutations, but «sporadic,» meaning they arise at random or from smoking, obesity,
exposure to toxic
chemicals, hormone use, and other
environmental factors.
The researchers then linked the healthcare - related emissions
to specific
environmental and health outcomes, including global warming; ozone depletion; respiratory disease from air pollutants; cancer from
chemical exposure; and the
environmental effects of acid rain, among others.
Yet people who make decisions about safe levels of
exposure to chemicals, heavy metals and other
environmental factors generally aren't including epigenetic alterations in their deliberations.
«More worryingly, since low - level
chemical exposure poses a threat
to human reproductive development, the consumption of products from animals grazing such pastures may be of considerable
environmental concern.»
Crawford - Brown worked for a while on models of the effects of radiation and
chemical exposure on human health, then wandered into decision analysis by the back door when the
Environmental Protection Agency (EPA) started
to use some of his scientific models.
Researchers continue
to study what sparks these hormonal changes and have begun looking at
environmental chemical exposure, stress levels and diet during pregnancy.
If we're talking about
environmental chemicals, we know there are pharmaceutical
exposures that may predispose women
to breast cancer later on.
There is also the «sister study» of 51,000 women followed for 10 years looking at nutrition, lifestyle,
exposure to environmental chemicals and biological markers.
According
to the principal investigator of this research project, Juan Pedro Arrebola, from the Biohealth Research Institute (IBS), «there is currently an increasing tendency in the impact of a diversity of different types of cancer, which can be attributed in part
to the influence of several
environmental factors, such as
exposure to certain
chemical pollutants.»
«Finally, as
environmental factors that affect the susceptibility, triggering and progression of ALS remain largely unknown, we contend future studies are needed
to evaluate longitudinal trends in
exposure measurements, assess newer and nonpersistent
chemicals, consider pathogenic mechanisms, and assess phenotypic variations,» the study conclude.
The authors call for further studies «
to evaluate the many additional
chemicals used in, and produced by, UOG processes
to better quantify the concentrations of these and other contaminants in
environmental samples and
to assess the effects of
exposure during other sensitive windows of development, including pregnancy and lactation, puberty, and the aging female.»
Environmental exposure to hormone - mimicking
chemicals may have an effect too.
The test detects antibodies that form in response
to the gas, and it could open the door
to skin tests for
exposure to other toxic
chemicals, including run - of - the - mill
environmental pollutants.
«Couples undergoing IVF and trying
to improve their chances of success by reducing their
exposure to environmental chemicals may want to opt for products that are flame - retardant free,» said senior author Russ Hauser, Frederick Lee Hisaw professor of reproductive physiology and acting chair, Department of Environm
environmental chemicals may want
to opt for products that are flame - retardant free,» said senior author Russ Hauser, Frederick Lee Hisaw professor of reproductive physiology and acting chair, Department of
EnvironmentalEnvironmental Health.
«It involves toxicology, how
chemicals go from air
to water,
exposure routes of
environmental contaminants, and how
to measure each one, leading
to controls on how
chemicals move through the environment.
Early
exposure in the human womb
to phthalates, which are common
environmental chemicals, disrupts the masculinization of male genitals, according
to a new study that will be presented Sunday at the Endocrine Society's 97th annual meeting in San Diego.
Some studies have found no connection between women's
exposure to environmental chemicals and gynecological diseases.
«While the study's cross-sectional design limit the conclusions we can draw, our results support the hypothesis that
environmental exposure to endocrine - disrupting
chemicals such as phthalates could be contributing
to the trend of declining testosterone and related disorders,» Meeker said.
Gulf War veterans with low - level
exposure to chemical weapons show lasting adverse effects on brain structure and memory function, reports a study in the October Journal of Occupational and
Environmental Medicine.
They point out that poor semen quality «is the leading cause of unsuccessful attempts
to achieve pregnancy and one of the most common medical problems among young men... it has been suggested as an important marker of male health, predicting both morbidity and mortality... it is sensitive
to environmental exposures, including endocrine disrupting
chemicals, heat and life - style factors, such as diet... Therefore, it can provide a sensitive marker of the impacts of modern environment on human health.»
«The currently available evidence indicates that the potential risks
to public health from
exposure to emissions associated with the shale gas extraction process are low if operations are properly run and regulated,» said John Harrison, director of PHE's center for radiation,
chemical and
environmental hazards.
The 2009 young scientist award on research on occupational health and
exposure was given to Craig Moore of Newcastle University for his platform presentation «The influence of everyday clothing on percutaneous absorption and distribution of model penetrants in vitro» at the OEESC (Occupational and Environmental Exposure of Skin to Chemicals) 2009 con
exposure was given
to Craig Moore of Newcastle University for his platform presentation «The influence of everyday clothing on percutaneous absorption and distribution of model penetrants in vitro» at the OEESC (Occupational and
Environmental Exposure of Skin to Chemicals) 2009 con
Exposure of Skin
to Chemicals) 2009 conference.
For example, in response
to questions about whether certain
environmental chemicals may interfere with the endocrine system and cause negative effects, government and scientific bodies have been working
to distinguish between whether a substance is merely endocrine active, or whether, under certain
exposure scenarios, a substance goes beyond a simple interaction that is reversible and causes no harm
to one that results in adverse health effects — endocrine disruption.
Her research areas include evaluating prenatal
exposures to environmental chemicals and related adverse pregnancy outcomes, and characterizing developmental risks.
A focus of her current work is assessing the relationship between social inequality, psychosocial stress and how these factors may interact with
chemical exposures to amplify pollution / health outcome relationships and produce
environmental health inequalities.
A series of economic papers released in 2015 and 2016 estimated the burden of diseases attributable
to exposure to endocrine disrupting
chemicals (EDCs), also known as
environmental estrogens, and associated costs in the US and EU.
Hayes is interested in the impact of
chemical contaminants on
environmental health and public health, with a specific interest in the role of pesticides in global amphibian declines and
environmental justice concerns associated with targeted
exposure of racial and ethnic minorities
to endocrine disruptors and the role that
exposure plays in health care disparities.
In the Canadian Maternal - Infant Research on
Environmental Chemicals Study, newborns showed significant sex differences in leptin and adiponectin levels, which were associated
to maternal in utero BPA
exposures (181).
Fourth National Report on Human
Exposure to Environmental Chemicals.
The NTP is affiliated with the National Institute of
Environmental Health Sciences (NIEHS), which awarded Southern Research a 10 - year contract
to evaluate the long - term effects of early - life
exposure to certain
chemicals.
This research project is in support of the EPA's «
Chemical Safety for Sustainability» (CSS) research program and will focus on utilizing high - resolution mass spectrometry
to evaluate human
exposure to environmental chemicals.
«Many scientists have studied similar effects from
exposure to pharmaceuticals and pesticides, but now we're seeing it from
chemicals found in common road salt and leaf litter,» said Max Lambert, lead author of the paper and a doctoral student at the Yale School of Forestry &
Environmental Studies.
Devise scientific approaches and investigations
to better understand human
exposure to environmental chemicals using laboratory measurement data.
Environmental factors such as maternal infection or
exposure to toxic
chemicals during pregnancy may heighten the risk in ways that aren't yet understood, and the environment may combine in other ways with genetic factors after birth
to cause the condition.
Centers for Disease Control Report, «National Report on Human
Exposure to Environmental Chemicals,» 2001.
Now, a new study published in the journal
Environmental Health adds more evidence
to the cautionary stance, showing that women who use douches can put themselves at a greater risk for
exposure to harmful
chemicals called phthalates, which are said
to interfere with the body's hormones.
To provide a fair comparison, the results were adjusted for BMI, serum HDL concentrations, smoking status, serum triglycerides, month of sampling, sex, and
environmental chemical exposure.
Studies suggest that testosterone levels in men are rapidly declining in recent years because of our
exposure to environmental chemicals.