Sentences with phrase «term human studies»

However, extract preparations in the later 1980s and beyond showed greater α - amylase inhibitor activity and, hence, effectiveness at blocking starch digestion in short - term human studies [e.g. (121)-RSB-.
Because there haven't been long - term human studies, whether sucralose causes cancer in smaller doses is still up for debate.
Long - term human studies focusing on hypertrophy and body fat loss were preferentially selected; however, acute studies and / or studies using animal models were selected in the absence of adequate long - term human studies.
However, long - term human studies examining the effects of a diet in which BCAA's are consumed between meals on lean mass and strength have not been done to date.
In long - term human studies, it is impossible to isolate results of one nutrient (e.g. monounsaturated fat, i.e. oleic acid, which occurs in high - levels in both red meat and olive oil).
However, smaller short term human studies have been done recently.
But with little federal regulation and few long - term human studies to back them up, the actual effectiveness of supplements is still open to debate.
Furthermore, the effects of BCAA ingestion between meals needs to be further investigated in a long - term human study.

Not exact matches

Numerous studies over the past decade have revealed the devastating long - term impact that football can have on the human brain.
Take a listen to the 115th episode of the Social Zoom Factor podcast for a deep dive into this topic and hear case studies about brands that are putting up barriers and brands that are tearing them down and making the decision to be human, own their mistakes and put relationships and long term customer value and loyalty first.
His works will be studied in terms of his signature technique of tintinnabuli, a system that Pärt himself describes in terms of «suffering and consolation, sins and their forgiveness, the human voice and the divine.
Yet a warning should be voiced against too unguarded an application of terms and viewpoints derived from the sociological study of other human activities.
The April 1989 Scientific American contains a report on the principal findings of a long - term study of the effects of adversity in early childhood on human development.
While the results were promising, the amount consumed was significantly higher than the amount of coconut water consumed by most people, and scientists concluded that further long - term study on humans was needed, particularly research that took into consideration the practical consumption habits of coconut water.
There are also intriguing observational studies tracking human children over the short - term.
The most amazing epidemiological study on the safety of formula has been going on for decades, it's called «a large proportion of full term humans in the developed world», and there is currently no hard data that there are dangers, or even visible trends associated with formula.
Previous studies of the effect of breastfeeding on morbidity among full - term infants have not always accounted for selection bias that may result if infants who are breastfed are inherently healthier than bottle - fed infants.22 In the current study, the VLBW infants» ability to breastfeed did not reflect better health status as both human milk and infant formula were provided via gavage feeding especially during early enteral feedings.
Studies comparing human milk from preterm mothers with that from term mothers suggest that these immunologic benefits may be even greater for preterm infants because secretory immunoglobulin A (IgA), lysozyme, lactoferrin, and interferon are found in greater concentrations in preterm human milk compared with term milk.2 — 4 Very low birth weight (VLBW) infants do not benefit from the transplacental transfer of maternal immunoglobulins that occurs primarily after 34 weeks of gestation.5 These infants are exposed to abundant pathogenic organisms during neonatal intensive care unit (NICU) hospitalization and may benefit from the host defense factors present in preterm human milk.6 — 9
Studies also show significant reductions in newborn infection rates in term infants when exclusive human milk feeding is available.
Scores of animal and human studies show that early life stress, such as severe early social deprivation, leads to long - term changes in the brain, cognitive and social problems, and heightened susceptibility to anxiety, depression, and drug abuse in adulthood.
Previous studies have shown that a high fat maternal diet during gestation and lactation has a long - term impact on the infant's gut microbiome (the community of bacteria living inside the human gut.)
In addition, human milk - fed premature infants receive significant benefits with respect to host protection and improved developmental outcomes compared with formula - fed premature infants.13 — 22 From studies in preterm and term infants, the following outcomes have been documented.
In terms of quantifying human dignity, I have studied several existing surveys that measure indicators such as human rights, accountability, and justice.
«We also capitalized on data gathered by the Central Arizona Phoenix - Long Term Ecological Research program to accurately measure the degree to which the landscapes at each study site were natural or disturbed by humans,» added Giraudeau.
The research, published in the Journal of Dental Research, is the output of a long - term longitudinal study of the EPIC Potsdam cohort in Germany carried out by researchers at the University of Birmingham and the German Institute of Human Nutrition.
Without that information or long - term use studies, consumers have limited information about the potential dangers for human health and the environment, he said.
«Biofilms were rampant on the Mir space station and continue to be a challenge on the International Space Station, but we still don't really know what role gravity plays in their growth and development,» said Cynthia Collins, Ph.D., principal investigator for the study and assistant professor in the Department of Chemical and Biological Engineering at the Center for Biotechnology and Interdisciplinary Studies at the Rensselaer Polytechnic Institute in Troy, N.Y. «Before we start sending astronauts to Mars or embarking on other long - term spaceflight missions, we need to be as certain as possible that we have eliminated or significantly reduced the risk that biofilms pose to the human crew and their equipment.»
This study that has been ongoing since 2013, Study of the Impact of Long - Term Space Travel on the Astronauts» Microbiome, Microbiome for short, investigates how space travel affects the human immune system and an individual's microbiome, which is the collection of microbes that live in and on the human body at any given study that has been ongoing since 2013, Study of the Impact of Long - Term Space Travel on the Astronauts» Microbiome, Microbiome for short, investigates how space travel affects the human immune system and an individual's microbiome, which is the collection of microbes that live in and on the human body at any given Study of the Impact of Long - Term Space Travel on the Astronauts» Microbiome, Microbiome for short, investigates how space travel affects the human immune system and an individual's microbiome, which is the collection of microbes that live in and on the human body at any given time.
«This underlines the glaring problem that many of the chemicals that are most widely used today, including pesticides, are simply not adequately tested and may have serious long - term impacts on health and development,» said Barrett, who studies how environmental chemicals affect human reproduction.
«Long - term, high - strength antibiotic use, like we utilized in this study, comes with significant risk to humans, such as defects in immune and metabolic function,» Sampson cautions.
Only 17 of the studies were in humans, and they did not include any long - term follow - ups of their subjects.
In the short term, with increasing temperatures as well as local human - made threats like coastal development, pollution, and over-fishing, the study found that corals — tiny animals related to jellyfish — would be over-run by seaweed which would, in effect, suffocate them.
The study found that less than one third of the 175 parks and reserves examined are currently conserving lions at more than 50 % of their «carrying capacity» — an ecological term for the natural population levels animals reach if human threats are minimal.
Paleontology studies such as this can «establish an ecosystem's long - term past before humans altered it,» says invertebrate paleontologist Sally Walker of the University of Georgia, Athens.
«Speed reductions, which are known to reduce emissions, would need to be maintained over a very long - term period in order to produce regional air quality benefits,» said James Corbett, a professor of marine policy at the University of Delaware, who has studied the impact of the shipping industry on human health.
The study shows that great apes, like humans, can store and retrieve precise information in their long - term memories, and anticipate impending events, a cognitive skill that likely helps them deal with social intrigue and avoid danger.
Cucinotta said the findings show a tremendous need for additional studies focused on cosmic ray exposures to tissues that dominate human cancer risks, and that these should begin prior to long - term space missions outside the Earth's geomagnetic sphere.
«Of course, the long - term exposure to these levels of PCBs could lead to adverse effects to human health; however, a detailed toxicological study is needed in order to determine the effects.»
A study of the effect of alcohol on long - term relationships finds that when a male prairie vole has access to alcohol, but his female partner doesn't, the relationship suffers — similar to what has been observed in human couples.
«Studies in humans of the long - term effects of drinking during adolescence are just beginning to emerge, but the data we do have indicate negative cognitive effects, and this puts us one step closer to one day being able to reverse those,» Swartzwelder said.
In a novel animal study design that mimicked human clinical trials, researchers at University of California, San Diego School of Medicine report that long - term treatment using a small molecule drug that reduces activity of the brain's stress circuitry significantly reduces Alzheimer's disease (AD) neuropathology and prevents onset of cognitive impairment in a mouse model of the neurodegenerative condition.
«If for example we follow a new term with a gesture, we create additional input that facilitates the brain's learning,» says Katharina von Kriegstein, head of the study at the Max Planck Institute for Human Cognitive and Brain Sciences.
According to a widely - held view, fewer than one in three embryos make it to term, but a new study from a researcher at the University of Cambridge suggests that human embryos are not as susceptible to dying in the first weeks after fertilisation as often claimed.
This study of the aquifers in the Calama Valley is motivated by the challenge of sustainable long - term management of the Loa coupled with the natural - human resource system.
In a follow - up study, the scientists offered more of the protozoan yet another enticing course — Escherichia coli O157: H7, a particularly nasty bacterium in terms of human - gastrointestinal illness.
Spouses and long - term partners of patients with mouth and throat cancers related to infection with the human papilloma virus (HPV) appear to have no increased prevalence of oral HPV infections, according to results of a multicenter, pilot study led by Johns Hopkins investigators.
These new results will help to guide long - term studies in humans but it is not yet clear what the implications of these findings will mean for family planning and human healthcare.
While the majority of climate change scientists focus on the «direct» threats of changing temperatures and precipitation after 2031, far fewer researchers are studying how short - term human adaptation responses to seasonal changes and extreme weather events may threaten the survival of wildlife and ecosystems much sooner.
«This is the first study that looks at all seven impact effects generated by hazardous asteroids and estimates which are, in terms of human loss, most severe,» said Clemens Rumpf, a senior research assistant at the University of Southampton in the United Kingdom, and lead author of the new study published in Geophysical Research Letters, a journal of the American Geophysical Union.
In a new study published in Renewable & Sustainable Energy Reviews, a team from Michigan Technological University calculated the cost of combusting coal in terms of human lives along with the potential benefits of switching to solar.
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