Tag: "birth" at biology news

Genetic info of cloned pigs may help babies before birth

The birth of the first cloned animals in North Carolina may soon lead to advances in animal and human health, particularly the prevention of intrauterine growth retardation (IUGR). Dr. Jorge Piedrahita and a team of researchers at North Carolina State Univers...

Social behavior among monkeys may be more nature than nurture

...ys who were switched between mothers shortly after birth has demonstrated the importance of nature over nur...ibit the aggressive or friendly behavior of their birth mothers rather than the behavior of their foster mothers, a University of Chicago researcher has sho...

Left side of brain activates speech from birth

...tive development of infants with brain injury from birth to age 2, the researchers performed fMRI exams on 42 infants with documented brain injury. The fMRI analysis included cases only where both sides of the brain were equally capable of developing, and excluded children with brain trauma evident on the ...

All sides are not created equal as babies process speech

...tive development of infants with brain injury from birth to age 2, the researchers performed fMRI exams on 42 infants with documented brain injury. The fMRI analysis only included cases where both sides of the brain were equally capable of developing and excluded children with brain trauma that was evident...

Cell death promotes learning growth

...ltifaceted effect on neurogenesis depending on the birth date of new neurons. The number of newly born cells increased contingently with the late phase and a large proportion of these cells survived for at least 4 weeks and differentiated into neurons. In contrast, the late phase learning decreased the num...

Effects of maternal myasthenia gravis on pregnancy and birth examined

...en born to women with MG. Five of those had severe birth defects, but that number was not considered statistically significant when compared with all births. Hoff said results of the study shouldn't discourage women with MG from giving birth, but that they should plan to have access to good medical care sh...

Climate linked to reproduction of right whales

...e, ranging from 22 births in 1996 to only a single birth in 2000, according to aerial surveys over calving ...lipped even as right whales were enjoying a banner birth year, "could have been an unusual event -- or a sign of the larger swings in climate that we might e...

Newborn screening for certain genetic disorders has benefits and some drawbacks

...n about newborn screening for parents prior to the birth of their child. Education about these rare and complex metabolic disorders also is needed for primary care physicians and other health care professionals, especially since face-to-face discussions with these professionals appear to reduce parental s...

Social mothers appear to be better mothers

...w-income women with extensive social networks give birth to heavier infants -- a key marker of viability -- than their more isolated peers. It's not clear whether social interaction provides baboons the same benefits as humans, the researchers said. But research has shown that social integration among male...

UT Southwesterns capital campaign passes $300 million mark

...er; heart disease and stroke; pediatric illnesses, birth defects and inherited disorders; infectious diseases, immunology and bioterror defense; and basic genetic and molecular research, computational biology, and biotechnology....

By the year 2050, human population could add 2.6 billion people, reports Rockefeller scientist

...he most recent 40 years, the population doubled. birth rates: The global total fertility rate fell from five children per woman per lifetime in 1950 to 2.7 children in 2000, a result of worldwide efforts to make contraception and reproductive health services available, as well as other cultural changes. ...

Granny gorilla knows best

...her keepers raised. So for several days after the birth of her second baby at San Diego Wild Animal Park, the keepers and primatologist Masayuki Nakamichi of Osaka University in Japan kept a close eye on her. Initially, Ione simply left her baby on the ground in front of her 21-year-old mother, Alberta, w...

Natural selection in a nutshell

...ng growth were the litter size and the time of the birth (late winter or early spring). These conditions ar...pply and the genes she carries for litter size and birth date. "In other words, there appear to be "super moms" that are capable of creating a favourable env...

Genetics mutations resulting in delayed puberty are focus of MCG study

... may also lead to better infertility treatment and birth control, says a Medical College of Georgia physici...uld one day mean better infertility treatments and birth control as well. Dr. Iqbal Khan, MCG embryologist, is a co-investigator on the studies. Dr. Layman a...

Sex a necessary evolutionary commodity, new study shows

... them to change their sex and genetic makeup after birth to confer a critical advantage for survival when times are hard. In this species of worm - long a workhorse of modern genetics and developmental biology - there are two sexes, males and hermaphrodites. The latter are capable of fertilizing themselves...

New ACOG guidelines on progesterone to prevent preterm birth praised by March of Dimes

...step toward reducing the growing rate of premature birth in the United States, which has risen 27 percent s...ment with progesterone reduced the risk of preterm birth by about one-third. In the study by da Fonseca et al. (Am. J. Obstet. Gynecol. 2003;188:419-24), th...

Ethical guidelines needed before 'nutrigenomic' groceries come to market

... such as diabetes, obesity, cancer, heart disease, birth defects and food allergies, about how chemicals in foods can affect genes, and how genes can predict whether particular foods are likely to cause health problems. Potential benefits of nutrigenomics research include improved individual health, great...

Researchers create 'supersized' molecule of DNA

...go haywire and result in a potentially devastating birth defect or a chronic disease, such as cancer or sickle cell anemia. ''The bases are where the real action occurs,'' Kool noted. ''What we've done in our experiment is to actually change them.'' xDNA In their study, Kool and his co-workers followed u...

Premature babies benefit from breast milk, study says

...ment of 463 premature infants under four pounds at birth in the U.S., the U.K. and Chile who, based on their hospitals' existing practices, were fed either breast milk (which was pumped, then mixed with additional nutrients in-hospital) or nutrient-enriched formulas or a combination of the two. After hospi...

Danish study finds that taking a long time to conceive is linked to problems at birth

...lity still remained. The increased risk of preterm birth (before 37 weeks) is of most concern, with estima...he study the largest ever done on infertility and birth outcomes found that it was not only women who had undergone fertility treatment that were at risk b...

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