Sentences with phrase «very limited studies»

There are very limited studies on pregnant women determining the effects of hydroquinone on pregnancy (since I assume most pregnant women don't want to be part of such clinical trials...), but due to hydroquinone's high absorption rate and animal studies reporting carcinogenic effects in rats, it's recommended pregnant and nursing women avoid using this chemical.

Of course, there have been very limited studies on the health consequences of systemic pesticides.

What very limited studies there have been of the health impacts are very worrying.

Not exact matches

Numerous studies show that limiting a dog's contact with people — or at the very least, with a «pack» — will cause them to display behaviors associated with mental illness.

In Grant's documented studies, meeting the very people you help is the greatest motivator, even if limited to a few minutes.

As part of my academic studies, I spent time with Malagasy women, many of whom had managed to start small businesses despite limited formal education, a lack of mentorship and very limited access to capital.

If the Tories go ahead with plans to double the contribution limit on tax - free savings accounts, it will cost the government billions of dollars and benefit only the very wealthy, two separate studies released Tuesday say.

Despite having studied and obtaining my series 6 and 63, I only have a very limited and basic understanding of stocks.

But it was a very unsatisfying attempt — to have weighty theological questions determined by delegates who came together for a few days with little prior study of the issues, who were sometimes inclined to suppose that such questions admitted of «yes» or «no» answers, and who passed judgment after rather limited opportunity for discussion and debate.

Data on total dairy product and total high - fat and low - fat dairy product intakes did not indicate any association with incident CHD, but these results were based on very limited numbers of studies.

«We studied how Swansea played, how defensively sound they were and how they limited Arsenal to very few chances.

Writing for Success, Study Skills and Math Preview weekly camps are now available but space is very limited.

Aside from an organization that egregiously misrepresents a study, or hand picks only select studies from a wealth of data to suit its agenda, or takes limited research and makes very dangerous recommendations or claims that go against practice as usual, then I don't see the problem with the recommendations and position that AAFP has made.

The function of these partnerships was poorly understood in the case study area, with the Ashford Partnership appearing to provide only very limited opportunities to connect local people to the machinery of planning and service delivery.

We must think very carefully before we impose a permanent, artificial limit on those who seek to study or work here.

And although he terms the new study «bold,» the factors that limit maximum speed in small animals are likely very different than those limiting large ones, he suggests.

«It is very important for fire departments to understand causes and cost of injury in order to ensure their limited budget is being properly distributed,» said Shannon Widman, project manager at FIRST and lead author on the study published in Injury Prevention.

According to the researchers, the limits of spare capacity have been studied in very few other species, with most work focused on several varieties of snakes.

«Other studies have suggested some benefit of neuraxial over general anesthesia, but they looked at very limited outcomes, primarily at risk of bleeding and blood transfusions.

The method is usually very time consuming and the results are often limited to very few or even a single study subject.

A study by UK - based Critical Limited, a consulting company, shows that while the number of biotech companies in Europe and the United States is almost equal, European companies are much smaller and have very few products in later stages.

The study is «a very welcome and very clever addition to the really limited information we have on dinosaur color and coloration patterns,» says Anne Schulp, a vertebrate paleontologist at the Naturalis Biodiversity Center in Leiden, the Netherlands, who wasn't involved in the research.

And molecular dynamics can only be studied to a very limited extent in the crystalline state.

Bridges to Independence, a study published by the National Academies in 2005, bemoaned the «very limited data on this contingent.

«The study was challenging due to the very remote location of the 45 communities visited, limited accommodation, extreme climate and difficult roads.»

The study does a «very nice job» of using different approaches to show that climate change is a dominant force, says Thomas Lovejoy, president of the H. John Heinz III Center for Science, Economics, and the Environment in Washington, D.C. «I think the single most important public policy [issue] here is agreeing on what the limit should be on greenhouse gas concentration,» he says.

«Mating opportunities between species are limited because the two species make their homes and forage in very distinct habitats, even though those habitats are right next to each other,» said lead author of both studies, Quinn Shurtliff of the Wildlife Conservation Society and Idaho State University.

«This is the first study to show that a systemic therapy provides significant clinical benefit in a randomized fashion to advanced uveal melanoma patients, who have very limited treatment options,» said Richard D. Carvajal, MD, a medical oncologist at Memorial Sloan - Kettering and lead author on the study.

This study is the first of a new article type: Telemetry Case Reports, being published by Animal Biotelemetry, which hopes to highlight small pilot studies on single individuals or very limited samples.

The ability to keep human embryos developing in the lab for almost 2 weeks — achieved for the first time this year — should provide new insights into very early human development, and generate debate on whether ethical limits on studying embryos in culture should be extended.

Very few studies on screening for other gynecologic conditions with pelvic examination alone have been conducted, and the USPSTF found that these studies have limited generalizability to the current population of asymptomatic women seen in primary care settings in the United States.

The «large number of unknown genes argues that our standard tools of biological study are very limiting,» Venter asserts.

This makes it very difficult to accurately predict weather changes more than a few days in advance, though weather forecasters are continually working to extend this limit through the scientific study of weather, meteorology.

However, researchers have only limited possibilities to study what exactly happens when the protein is missing because it is very difficult for them to breed the necessary mouse strains.

The small number of subjects and the limited geographic focus of the study make these findings very specific, Keating says.

In theory, the disease could be halted by limiting people's access to unaffected areas, but that would be a very unpopular policy and perhaps impossible to implement, he says.The rapid spread of sudden oak death is «such a dynamic system that a lot of our tools in ecology for understanding and predicting patterns are inadequate,» says Rick Ostfeld of the Institute of Ecosystem Studies in Millbrook, New York.

«But the unique developmental potential of a zygote, formed right after the sperm and egg meet, is very, very difficult to study, due to limited materials and the lack of a cell - culture experimental system.»

«Alzheimer's disease: Neuronal loss actually very limited: Study challenges current scientific consensus.»

«To understand how mercury gets deposited we need to understand its atmospheric chemistry, but our understanding is very limited,» said Hynes, a co-author of the new study.

There are some caveats with their study: The global climate models (GCMs) do not reproduce the 1930 - 1940 Arctic warm event very well, and the geographical differences in a limited number of grid - boxes in the observations and the GCMs may have been erased through taking the average value over the 90 - degree sectors.

The evidence for that was very, very limited, and in fact, was based on a study my lab published on a single patient with Alzheimer's.

This very small study suggests that one night of sleep deprivation can raise levels of the hallmark Alzheimer's protein amyloid, strengthening suggestions that sleep is important for limiting the build - up of this protein in the brain.

Very recently, a rather limited number of retrospective studies, utilizing whole genome sequencing (Talkowski et al., 2012) or whole exome sequencing (WES) in small cohorts of neonates and aborted fetuses with various ultrasound and / or post-mortem structural abnormalities (Carss et al., 2014; Drury et al., 2015; Alamillo et al., 2015; Westerfield et al., 2015), provided initial proof - of - principle of large - scale prenatal next generation sequencing (NGS).

In addition, studies showed that the elimination of residual leukemia was primarily mediated by donor CD8 + cytotoxic T lymphocytes and NK cells, whereas the inflammatory cytokines that are secreted mainly by CD4 + Th cells have a very limited role in leukemia eradication but contribute significantly to the toxicity of GVHD (55).

In particular, genome - wide sequencing studies have detected somatic mutations in one or more Eph receptors in 25 % -45 % of melanomas, 15 % -45 % of lung cancers, 25 - 40 % of colorectal cancers and 12 % -25 % of head and neck and uterine cancers (Figure 2), but very limited information is available on the effects of the mutations.

Studies on intragraft Tregs are very limited.

We are culturally very attached to a «no pain, no gain» mentality when it comes to health and success, yet studies show that individuals with greater levels of self - compassion actually demonstrate less motivational anxiety and use of fewer self - limiting behaviors like procrastination.

Although one very small study found that ground roasted coffee retained between 22 and 66 % of its OTA after brewing (Malir, Toxins 2014), amounts in final coffee products have still been found to be well below EU limits.

Very limited data exists on the muscle pennation angle of the trapezius insofar that one study is available with sufficient measures.

What I didn't have time to look into is whether an increase in 5 - hydroxyindoleacetic acid would be beneficial (it is transporting serotonin out of the body) or whether it is not beneficial (it's an indication of increased serotonin levels — although this study found that was not the case, their study was very limited).