Sentences with phrase «human exposures at»

Not exact matches

And it's looking at military solutions as well, using robots to do reconnaissance work that would exposure human serviceman to unnecessary risk.

At best you would be more like Spock given your exposure to Western culture and having a human mother.

An FDA draft report concluded that the substance was safe at typical exposure levels for humans.

The FDA maintains that studies using standardized toxicity tests have shown BPA to be safe at the current low levels of human exposure.

In animal models, exposure to cigarette smoke or nicotine during fetal development alters the expression of the nicotinic acetylcholine receptor in areas of the brainstem important for autonomic function, 28 alters the neuronal excitability of neurons in the nucleus tractus solitarius (a brainstem region important for sensory integration), 29 and alters fetal autonomic activity and medullary neurotransmitter receptors.30 In human infants, there are strong associations between nicotinic acetylcholine receptor and serotonin receptors in the brainstem during development.31 Prenatal exposure to tobacco smoke attenuates recovery from hypoxia in preterm infants, 32 decreases heart rate variability in preterm33 and term34 infants, and abolishes the normal relationship between heart rate and gestational age at birth.33 Moreover, infants of smoking mothers exhibit impaired arousal patterns to trigeminal stimulation in proportion to urinary cotinine levels.35 It is important to note also that prenatal exposure to tobacco smoke alters the normal programming of cardiovascular reflexes such that there is a greater - than - expected increase in blood pressure and heart rate in response to breathing 4 % carbon dioxide or a 60 ° head - up tilt.36 These changes in autonomic function, arousal, and cardiovascular reflexes might all increase an infant's vulnerability to SIDS.

«Every time we measure aflatoxin exposure in humans, in children and adults [in Africa], there's always very high positive rates,» says Yun Yun Gong, a food toxicologist at Queen's University Belfast.

While tougher regulations have driven lead levels down globally since the 1990s, mercury levels in the North Pacific Ocean have increased 30 percent over the last 20 years, potentially putting humans at higher risk of exposure from seafood (See «Made in China: Our Toxic, Imported Air Pollution»).

In addition to looking at mouse models of diabetes, the researchers also showed that exposure of human pancreatic islet cells — both from healthy donors and from patients with Type 1 diabetes — to fasting - mimicking diet in a dish stimulated insulin production.

«These chemicals are just about everywhere, from the blood in polar bears to eagles to humans on every continent,» said Joseph Allen, assistant professor of exposure assessment science at Harvard Chan School and the study's lead author.

The NRC panel, chaired by neurobiologist Charles Stevens of the Salk Institute in La Jolla, California, looked at more than 500 human, animal, and cellular studies on EMFs and found «no conclusive and consistent evidence... that exposures to residential electric and magnetic fields produce cancer, adverse neurobehavioral effects, or reproductive and developmental effects.

Not only can these social scientists correctly arrange all 206 bones that make up an adult human skeleton, they can also determine facts about peoples» lives — age at death, sex, stature, nutritional deficiencies, levels of work stress, exposure to infectious disease and traumas — from a careful examination of the bones.

They also tracked Apolipoprotein E (APOE 4), a well - known genetic risk factor for Alzheimer's, as well as lifetime cumulative exposure to unhealthy levels of PM2.5 — particles which are at least 30 times smaller than the diameter of a human hair and frequently cause the haze over urban areas.

«At least a dozen studies have shown the effects of phthalates on human reproduction,» says University of Rochester epidemiologist and biostatistician Shanna Swan, the lead author of a much - cited study that showed higher exposure to some phthalates in mothers correlates with reduced «anogenital distance» in newborn boys.

Because of the growing concerns about mercury exposure, Fernandez is leading a project at Wake Forest University in Winston - Salem, North Carolina, to study the metal's effects on human and environmental health in the Amazon.

Principle investigator Shuk - mei Ho, PhD, director of the Cincinnati Cancer Center, Jacob G. Schmidlapp Chair of Environmental Health and professor at the University of Cincinnati College of Medicine, says that human exposure to BPA is a common occurrence and that animal studies have shown that BPA contributes to development of prostate cancer but that human data are scarce.

«We have animal literature, which shows direct links between exposure and adverse health outcomes, the limited human studies, and the fact that 90 to 100 percent of the population has measurable levels of these compounds in their bodies,» said John Meeker, an assistant professor of environmental health sciences at the University of Michigan School of Public Health and a lead author.

The study, performed in Garfield County, Colo., between July 2010 and October 2011, was done by researchers at The Endocrine Disruption Exchange, a non-profit organization that examines the impact of low - level exposure to chemicals on the environment and human health.

«Our research provides the first direct evidence that exposure to BPA during development, at the levels we see in our day - to - day lives, increases the risk for prostate cancer in human prostate tissue,» Prins said.

Although researchers have known that nitrites and nitrates at high doses can cause cancer in lab animals, de la Monte's results suggest that long - term, low - dose exposure to the compounds may be linked to chronic diseases in humans.

Early exposure to BPA (bisphenol A)-- an additive commonly found in plastic water bottles and soup can liners — causes an increased cancer risk in an animal model of human prostate cancer, according to University of Illinois at Chicago researcher Gail Prins.

(Humans can detect the stench of the gas at just 2 parts per billion, and exposure to 1,000 parts per million can be fatal.)

The ATS recommended standards for O3 and PM2.5 are based on scores of national and international epidemiological, animal and human exposure studies.

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.

Instead, we should harness the power of modern molecular biology to establish whether BPA at everyday exposure levels is biologically active in humans.

Add to that the question of how much human exposure can be expected from the radiation detected at some Marcellus drilling sites.

Past work by Yoo and his colleagues — then at Stanford University — showed that exposure to two short snippets of RNA turned human skin cells into neurons.

«If confirmed in humans, our study could greatly impact how people view exposure to environmental tobacco toxins,» said Manuela Martins - Green, a professor of cell biology and neuroscience at UC Riverside and the lead author of the study.

Baltimore biotechnology company Profectus BioSciences is testing a vaccine to guard against the Ebola virus on 39 human subjects, a first step toward administering it more broadly to people at risk of exposure to the deadly pathogen.

This year «s Young Scientist Award on human health sciences, presented at the EUROTOX annual meeting in Stockholm, Sweden, has been awarded to Camille Béchaux, Anses France for her poster presentation on: Dynamical modeling of dietary exposure to dioxins and corresponding present and future health risk: A case study in France

This center fosters collaborations among researchers at MD Anderson Smithville, in Houston and with other instutions in central Texas to reach the goal of understanding how environmental exposures influence cancer outcomes in the human population by identifying new targets and strategies for cancer prevention and treatment.

«Although these articles concentrate on the US regulatory landscape, they offer an important message that is relevant worldwide: as our understanding of the harmful effects of a combination of chemicals at low concentrations and throughout the human lifespan increases, scientists must re-examine long - held beliefs regarding the relationship between exposure and effect, and ensure that policy makers understand the significance of these findings.»

The U.S. EPA in fact has no list of «endocrine disruptors» at all — preferring to assess chemicals on a case - by - case basis; taking into account the entire body of toxicological evidence available; and factoring in actual human exposure levels.

In the first part of the study, Sylvie Babajko, PhD, a researcher at the French National Institute of Health and Medical Research (INSERM) in Paris, and her colleagues gave rats low doses of BPA, comparable to exposure in humans.

Viral discovery was initiated at BSRI in 2004 with the characterization of a previously unknown human parvovirus commonly found in the blood of people with blood exposure, such as injection drug users and hemophiliacs.

But for the majority of us who don't work with chemicals, diet is the biggest source of exposure, says Jorge Chavarro, MD, assistant professor of nutrition and epidemiology at Harvard School of Public Health and senior author of a new study published in the journal Human Reproduction.

Protect your ovaries while youre at it, by limiting exposure to perfluorinated chemicals (PFCs)-- often in the coatings of nonstick pans and many other items like clothing, furniture, and packaged - food containers — which may double the risk of infertility, according to a study in Human Reproduction.

The study has earned high marks from researchers not on the soy industry's payroll, including Dan Sheehan, PhD and Daniel Doerge, PhD at the FDA's National Laboratory for Toxicological research in Jefferson, Arkansas.who stated, «Given the great difficulty in discerning the relationship between exposures and long latency adverse effects in the human population and the potential mechanistic explanation for the epidemiological findings, this is an important study.

All members of the two most popular classes of lipid - lowering drugs (the fibrates and the statins) cause cancer in rodents, in some cases at levels of animal exposure close to those prescribed to humans.

In 2009, two German scientists looked at whether the migration of substances from plastic packaging material into foodstuffs contributes to human exposure to man - made hormones.

Mycotoxin exposure can cause mild inflammation in every human being, but sensitive acne patients are particularly at risk.

Mercury is a natural element that is toxic to humans at certain exposure levels.

Among various food items, cow's milk and cheese had the highest correlation with incidence and mortality rate of these cancers» Children are at high risk «Among the exposure of humans, especially prepubertal children, to exogenous estrogens, we are particularly concerned with» These xenoestrogens from lactating preganant cattle (the majority of commercial cattle used for milk) significantly raised estrogen levels in male adults and reduced testosterone levels and did even more so in children.

This form of cancer, at least in humans, is often linked to exposure to asbestos, and is relatively rare.

«The multimodal approach, like on the human side, is something we need to embrace more in veterinary medicine and we need to look at how we can decrease the exposure to the infection.»

Puppies that are raised without high exposure to gentle handling, human contact and a wide variety of noises and experiences OR are removed from their dam or litter mates before at least 7 weeks, may exhibit a wide variety of behavioral problems!

If you have product - related questions or wish to report an adverse event associated with a Zoetis product, including a human exposure, please contact our Veterinary Medical Information & Product Support Team at 1 -888-ZOETIS-1 or 1-888-963-8471

Rattler will make a good companion cat to another lonely cat, but due to his lack of exposure at an early age to human companionship, it is unlikely he will will accept petting or stroking.

At one time, multiple sclerosis was thought to be associated with exposure to the canine distemper virus but further research suggests that it is actually the human measles virus (a close relative of canine distemper) that may be the culprit.

Symptoms are similar to humans, with an itchy rash developing at the point of contact, 3 days to a week after exposure.

Altitude sickness, also known as acute mountain sickness (AMS), altitude illness, hypobaropathy, or Soroche, is a pathological effect of high altitude on humans, caused by acute exposure to low partial pressure of oxigen at high altitude.