Sentences with phrase «known human exposures»

Not exact matches

It would be otiose to give examples: a distant thunder is in the past as much as a distant star; but no matter how far in time - space a star or galaxy is, it is always faintly immanent in my Here - Now even when its action is below the threshold of human perception; its action can be made visible by a combination of lenses or a prolonged photographic exposure.

And even if we do consider individuals as isalated entities, Augustine's exposure of the moral ambiguity of every human initiative and intention — indeed, the impossibility of even knowing for certain our real motives — renders pure Pelagianism incomprehensible.

The regulations state that human consumption of food does not constitute «exposure» for purposes of warning notification under the Act to the extent that chemicals are naturally - occurring in agricultural products, were not added by any known human activity, and were not avoidable by good agricultural or good manufacturing practices [Title 27, California Code of Regulations, Section 25501 (3)(1)-RSB-.

Being exposed to pesticides is extremely harmful to any human being especially for an expecting mother pesticide exposure can happen 2 to 3 weeks before the mother even knows she is expecting.

Based on the amounts being found in people and what is known about the metabolism of bisphenol A from animal experiments, it also appears that human exposures are above the current U.S. safety limit, according to the assessment.

«We know noise exposure has an effect on male fertility in animals, but our study is the first to show the risk of exposure to environmental noise on male infertility in humans.»

«Prior to our work, the only known way to activate human brown adipose tissue was through cold exposure.

However, numerous human studies showing a causal association between TCE exposure and an increased risk for kidney cancer have led NTP to reevaluate and reclassify TCE as known to be a human carcinogen.

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.

Exposure is known to disrupt some hormones and is associated in human studies with changes in such male reproductive measures as semen quality and androgen levels, Pilsner says.

Phthalate exposure, known to disrupt endocrines, is associated in human studies with changes in semen quality, androgen levels, birth outcomes and offspring neurodevelopment, but a mechanism has not been clearly identified, Pilsner says.

In order to speed the process and reduce the financial burden on small companies that dominate small tech start - ups, U.S. and Canadian researchers suggest that the United States should prioritize which materials should undergo the most rigorous testing based on what is already known about their toxicity as well as the potential human exposure.

It notes some of the critical scientific questions regarding Zika that deserve further exploration, including: whether certain viral mutations occurred to facilitate its geographical spread; if different species of Aedes mosquitoes are capable of transmitting Zika and what that may mean for future transmission; what is apparently unique to Zika compared to other more well - known flaviviruses, such as dengue, that can explain why it can cause congenital infections, neurological conditions and encephalitis, transmit sexually and persist for long periods of time in multiple parts of the human body; and whether preexisting immunity to other related flaviviruses may impact Zika exposure and infection.

In small studies of humans, exposure to this compound was associated with an increased risk of the blood cancer non-Hodgkin lymphoma, but the HHS said it considered the evidence too limited to call pentachlorophenol a known carcinogen.

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.

Instead of mimicking the complex 3D organization of the developing pituitary gland, this approach relies on the precisely timed exposure of human pluripotent stem cells to a few specific cellular signals that are known to play an important role during embryonic development.

We have known about this human and animal pathogen, TB, since ancient times, and it has always been considered something that is transmitted either through oral or aerosol exposure,» said lead study author Kathleen Alexander, DVM, PhD, professor, Department of Fish and Wildlife Conservation, Virginia Tech, Blacksburg, Virginia.

In order to assess the risk posed by various chemicals, it is essential to know what the typical human exposure to a particular chemical is.

Little is known about the specific health implications of human exposure to THS.

«Much of extinction training — the process of learning that a fearful cue is no longer fearful — in adult rodents closely parallels aspects of exposure - based psychotherapy for humans, where an exposure to a stimulus that was associated with trauma shares many aspects of the initial traumatic memories.»

We know that the lemony aura of limonene is more than just a scent, as it can be found in our blood after exposure.8 Furthermore, several anticancer cellular pathways appear to be affected by the terpene limonene, leading some to suggest it has anticancer, or chemopreventative, benefits.9 While feeding it to rats in studies has revealed some efficacy against breast tumors, 10 we have a ways to go before we can make such bold claims in humans.

Lastly, in this podcast, Dr. Erica Sonnenburg talks about how C - sections, have a negative effect on the infant's gut due to the lack of exposure to bacteria present in the mother's vaginal canal, and how the use of formula deprives the infant not only from the good bacteria present in Mom's gut but also from special carbohydrates in breast milk that are good for the infant gut flora known as HMOs or human milk oligosaccharides.

Acrylamide has been shown to cause cancer in lab animals, but we don't know what levels of acrylamide exposures are dangerous for humans.

Light exposure increases serotonin in humans, and serotonin levels are lowest in midwinter, and higher on bright days no matter what time of year.

Let me get this straight: The parents of teens (every one of whom has access to the Internet, where they can find every word ever printed, in addition to exposure to some of the most vile human behaviour known to Mankind) are trying to keep a BOOK out of their hands?

To date, there are no known cases of human infection resulting from exposure to infected cats.

Minimize Sun Exposure Exposure to the sun's ultraviolet rays is a known cause of skin cancer in humans.

We know little about the specific stimuli that make plasma cell tumors develop but in humans, risk factors include exposure to petroleum products and radiation.

No evidence shows that cats play a sustained role in transmitting the virus, the AVMA reports, noting, «There have been no known cases of human avian influenza [AI] resulting from exposure to sick cats, and there have been no outbreaks of AI among domestic cat populations.»

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.

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 oxygen at high altitude.

The American Chemistry Council continues to say «Human exposure to BPA from can coatings is minimal and poses no known risk to human health.&rHuman exposure to BPA from can coatings is minimal and poses no known risk to human health.&rhuman health.»

Many of the compounds detected have not been evaluated for exposure risk by federal scientists or do not have an exposure limit assigned to them, making it difficult to know whether they present a risk to human health.