Sentences with phrase «first studied several»

With respect to animal behavior, applied behavioral genetics was first studied several thousand years ago because animals were bred and selected for their behavior as much as their conformation.

Not exact matches

Several surveys have found that the majority of first - time homebuyers — over 80 percent according to one study — put less than 20 percent down.

The several reasons are marshaled systematically in support of the conclusion that «memory is the clearer case, and should be studied first» (CSPM 75).

I first became aware of the structure of the narratives that express world view several years before the discovery of my cancer, when I began during my sabbatical year to study congregations systematically.

Several recent studies, however, had served as «one of the first signs that this community may at last be preparing to recognize that a problem does exist.»

The Niebuhr - Williams - Gustafson study (H. Richard Niebuhr, The Purpose of the Church and Its Ministry [New York: Harper and Brothers, 1956]-RRB- of several years ago makes it unnecessary to dilate upon this first point.

The first is Kit August, a Breast Cancer survivor — state winning artist, holder of several technology patents, actress, musician and currently studying toward her Phd.

Since publication of the first Purdue study, similar findings about the effects of RHI, both in the short - and medium - term, have been reported by researchers [8,9,16,19,21,22,26,27,28, 29 - 38], with several of the studies finding changes which persisted for weeks and even months after a football season ended.

But over the past few years, Allison says, several large studies such as this one and this one «have found that babies at high risk for becoming allergic to peanuts are less likely to develop the allergy if they are regularly fed peanut - containing foods in the first year of life.»

For safety, your baby is designed to arouse easily and wake often in the early months and, according to several studies, night waking is normal for at least the first year.

Moreover, several studies have shown that these fluids are not actually needed by healthy infants during the first semester of life if they are exclusively breast - fed.

Rogers and her team plan to follow the babies in the study through their first several years of life to see how they grow, focusing on their motor, cognitive and social development.

The birthplace study in the UK tells us that for first - time moms, the rate of homebirth birth injuries was several times higher than for those who went to the hospital.

Several years prior to this, Gdalevich et al (29) performed a meta - analysis of prospective studies between January 1966 and May 2000 on the association between exclusive breast - feeding in the first 3 months after birth and the onset of atopic dermatitis in childhood and concluded that breast - feeding was protective against incident atopic dermatitis in childhood.

According to several studies, most babies will outgrow a milk allergy by their first birthday.

With years of doula experience framed by completion of several years of midwifery studies at Birthingway Midwifery College, Calina has capped off her education by having her first baby (Tulsie) to give her the full experience of new motherhood.

Additional reasons for deciding not to breastfeed can include concern about the quality and quantity of breast milk, and partner and family support, which are common across developed and developing countries.10, 11 Women who decide not to breastfeed are also more likely to have smoked during their pregnancy, be primiparous mothers (i.e., having their first child), and to have a child born low birth weight or with complex health issues such as cystic fibrosis.9, 12 Prenatal and post-natal stressful experiences may also reduce the duration of breastfeeding.13 Finally, several studies suggest that mother's who return to work within the first 6 months postpartum or anticipate an early return to full - time employment, are less likely to breastfeed.

In a study of first - time mothers that assessed concerns with breastfeeding at several time points during the first 2 months of life, these problems were most pronounced at 3 and 7 days postpartum (16), which is after most women have left the hospital, but before they might be connected to other types of community support.

Yet several studies show the opposite, whether they are about exclusive breastfeeding for the first six months of life and improved complementary feeding, or else hygiene measures and supplies of drinking water.

The group's Mary Anne Kowalski says after several months, they've received their first batch of documents, and have found that the health officials are actually doing a pretty thorough job of reviewing numerous studies.

Nadeau, who was one of several environmentalists to meet privately with Martens at the end of August, says it is the first she has heard that the DEC conducted a health study.

The group's Mary Anne Kowalski says after several months, they've received their first batch of documents and have found that health officials are actually doing a pretty thorough job of reviewing numerous studies.

Nadeau, who was one of several environmentalists to meet privately with commissioner Martens at the end of August, says it's the first she's heard that the Department of Environmental Conservation conducted a health study.

For several years, Robert Schwarcz, PhD, a Professor in the Department of Psychiatry at the University of Maryland School of Medicine (UM SOM), who in 1988 was the first to identify the presence of KYNA in the brain, has studied the role of KYNA in schizophrenia and other neuropsychiatric diseases.

«Several studies have measured parasite infection in urban animals, but surprisingly we are the first to measure whether wild birds living in a city were more or less infected by a parasite and a pathogen, as well as how these infections are linked to their physiological stress,» said Mathieu Giraudeau, a post-doctoral associate who previously worked with Kevin McGraw, ASU associate professor with the School of Life Sciences.

The release of several signals by skin cells that are dying contributes to the creation and spreading of the chronic immune response and hyper - proliferation and irregular differentiation of epidermis,» says Joan Manils, first author of the study and member of the mentioned department and post-doctorate researcher at the Trinity Biomedical Sciences Institute (Ireland).

«We made several cross-sections of hundreds of metres of basin sediments and we determined the exact positions of ash beds contained in these marine sediments,» explained Björn Baresel, first author of the study.

«The wing of Drosophila melanogaster has several morphogens, such as Dpp (BMP in humans) and Wingless (Wnt in humans), which are necessary for growth,» explains Lara Barrio, the first author of the study and postdoctoral fellow in the Development and Growth Control Lab at IRB Barcelona.

While several studies in the intervening years have investigated whether particular genes were responsible for modifying HD onset, this is the first to employ genome - wide association (GWA) analysis, which scans an individual's whole genome to identify chromosomal regions containing variants that are associated with the disease traits that are being studied.

«There have been several studies relating cortisol levels in teenagers and adults to socioeconomic status, but this is the first to look at this relationship among pregnant women and their babies,» said study author Zaneta Thayer, PhD, assistant professor of anthropology at CU Denver, a major center of timely, topical and relevant research.

The first exoplanets found were gas giants orbiting close to their stars — a study suggests they could be built from collisions of several smaller planets

«Several studies and clinical evidence suggest AIM2 functions as a tumor suppressor, but until now, we've had very little direct evidence to explains how this occurs,» said Justin E. Wilson, PhD, the study's first author and a postdoctoral fellow at UNC Lineberger, the UNC School of Medicine Department of Microbiology and Immunology and the Department of Genetics.

«It was remarkable to see for the first time how a defect transforms and migrates in the crystal over several minutes while we are watching it,» says Dr. Jani Kotakoski, the lead author of the study.

«Until now scientists have preferred to use a reliable method, Sample Entropy (sampEn), which, however, suffers several limitations,» explains Moses Sokunbi, research scientist at the International School for Advanced Studies (SISSA) in Trieste and first author of the study.

«We are beginning to see that melanocytes integrate signals from several receptors to modulate pigment production, which will help us build a more complete model of how pigmentation is regulated,» said Christopher A. Natale, a graduate student in the Ridky Laboratory, and first author of the study.

That's one of several conclusions reached by University of Nebraska - Lincoln ecologist John DeLong, who has co-authored the first study to quantify the relationship between human population growth and energy use on an international scale.

Cathi Propper, a developmental psychologist at the University of North Carolina at Chapel Hill, and her colleagues studied infants at several periods over their first year of life, inducing stress by separating them from their mothers.

Now, a study shows for the first time that even the temporary protection DACA provides to dreamer parents can rapidly boost their children's mental health, sharply reducing the rate of several mental disorders.

The three Ras genes found in humans — H - Ras, K - Ras and N - Ras — were among the first to be linked to cancer development, and a new study led by VCU Massey Cancer Center researcher Paul Dent, Ph.D., has shown the recently approved breast cancer drug neratinib can block the function of Ras as well as several other oncogenes through an unexpected process.

But those rulers may have had more to blame than just bad luck: According to a new study, volcanic eruptions around the ancient world likely suppressed the Nile's annual floods — critical for agriculture — by altering rainfall upriver in the Ethiopian highlands several times from the third to first centuries B.C.E..

First author Ipek Kulahci spent several years studying ring - tailed lemurs housed at the Duke Lemur Center in North Carolina and the St. Catherines Island Lemur Program in Georgia.

Since 1979, when the National Academy of Sciences undertook its first major study of global warming, «Americans have been alerted to the dangers of climate change so many times that reproducing even a small fraction of these warnings would fill several volumes,» writes Elizabeth Kolbert.

«We've known for several years that people working directly with livestock are at increased risk for MRSA infections, but this is one of the first studies providing compelling evidence that everyday consumers are also potentially at risk,» says Lance Price, PhD, Director of the Antibiotic Resistance Action Center, which is based at Milken Institute SPH, and Director of Translational Genomics Research Institute Center for Food Microbiology and Environmental Health.

Several studies have shown that in households where the biological father is missing, children reach sexual maturity, have their first sexual experience, and are more likely to become teenage parents at a younger age.

The study states, «While several studies reported a benefit from sleep with respect to emotional memory in healthy individuals, our results showed for the first time that healthy children outperform healthy adults.»

Professor Li and the team have been working on active faults and landslides in Southwest China for over ten years and have identified several active landslides in the area south to Maoxian County but this is the first time they have studied the Maoxian region.

The study of 125 babies from the day they were born to 14 months old is the first comprehensive examination of infants» exposure to several phthalates.

Christine Mißbach, first author of the study, analyzed the active genes in the insect antennae where the olfactory receptors are located and describes her discovery this way: «Astonishingly, the firebrat, which is more closely related to flying insects, employs several co-receptors, while the odorant receptors themselves are absent.»

The researchers repeated the experiment in several studies and found fairly consistent results: students who practiced first performed 25 percent better than students who listened to a lecture first.

Researchers from Hiroki Taniguchi's lab at the Max Planck Florida Institute for Neuroscience (MPFI) published a study in eNeuro in May 2017 showing for the first time that a unique type of inhibitory interneuron called chandelier cells — which are implicated in several diseases affecting the brain such as schizophrenia and epilepsy — seem to develop their connections differently than other types of neurons.