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Drug tests on mothers’ hair links recreational drug use to birth defects

By Guest PostNovember 10, 2014Healthbambang suharnoko sjahrir, birmingham, birth defects, bristol, cocaine, data collection, gerrit gonschorek, guenter Schulze, london, mdma, mother, nicholas patzke, nick morris, oeffentliche gelder, risk factor, ucl, wahlkampfinstrument

Drug tests on 517 mothers in English inner city hospitals found that nearly 15% had taken recreational drugs during pregnancy and that mothers of babies with birth defects of the brain were significantly more likely to have taken drugs than mothers with normal babies. The study found no significant links between recreational drug use and any other type of birth defect.

The study was led by a team of UCL researchers co-ordinating data collection from hospitals across London, Bristol and Birmingham and the results are published in the journal PLOS ONE. The study included 213 women whose baby had a type of birth defect with potential links to recreational drug use, 143 women whose baby had a birth defect with no previously reported links to drug use and 161 women whose baby was normally formed. (more…)

Yellowstone Wolf Study Reveals How to Raise Successful Offspring

By Guest PostOctober 11, 2012Naturearmies, arms race, body weight, bridgett vonholdt, canine distemper, carnivore population, cooperation, cooperative, dan macnulty, dan stahler, data, excellent model, factor, female, female wolves, gray wolves, group behavior, key ingredient, life history, life sciences, mother, national, national park, offspring, park service, predator, princeton university, pup survival, reproduction, robert wayne, social carnivores, sociality, soldiers, state university, study, survival advantage, utah, weight, wolves, world, yellowstone, yellowstone park, young adulthood

What are the key ingredients to raising successful, self-sufficient offspring? A new life sciences study using 14 years of data on gray wolves in Yellowstone National Park indicates that cooperative group behavior and a mother’s weight are crucial.

“A female’s body weight is key in the survival of her offspring, and cooperation in the protection and feeding of young pups pays off in terms of the production of offspring,” said Robert Wayne, a professor of ecology and evolutionary biology at UCLA and co-author of the new research, published this week in the online edition of the Journal of Animal Ecology. (more…)

Long Menopause Allows Killer Whales to Care for Adult Sons

By Guest PostSeptember 17, 2012Natureadult son, canada, center, coast, dan franks, darren croft, david ellifrit, emma foster, exeter, female, grandmother hypothesis, great mystery, killer whale, longest menopause, mother, Nature, non human, north pacific, ocean, orcinus orca, post reproductive, son, species, survival rate, university, usa, whale research

Scientists have found the answer to why female killer whales have the longest menopause of any non-human species – to care for their adult sons.

Led by the Universities of Exeter and York and published in the journal Science the research shows that, for a male over 30, the death of his mother means an almost 14-fold-increase in the likelihood of his death within the following year.

The reason for the menopause remains one of nature’s great mysteries and very few species have a prolonged period of their lifespan when they no longer reproduce, as in humans. However, female killer whales stop reproducing in their 30s-40s, but can survive into their 90s. While different theories have been put forward for the evolution of menopause in humans, including the well-established ‘grandmother’ hypothesis, there has been no definitive answer to why females of a small number of other species, including killer whales, also stop reproducing part-way through their lives. (more…)

Very Few Low-Income Moms Meet Breastfeeding Recommendations

By Guest PostMarch 16, 2012Healthaffluent population, awareness, breastfeeding, breastfeeding mother, caucasian, infants, jennifer hanna, key role, kissimmee, mari douma, medicaid population, michigan state university, mother, obstacles, physicians

EAST LANSING, Mich. — Less than 2 percent of low-income mothers met breastfeeding recommendations in a recent study – a drastic decline compared with a more affluent population – and a lack of support and available resources appears to play a key role.

The research findings out of Michigan State University suggest in addition to raising overall awareness of breastfeeding, especially among women of lower socioeconomic status, physicians can play a role in removing barriers that prevent new mothers from breastfeeding. (more…)

Tag Archives: mother

Drug tests on mothers’ hair links recreational drug use to birth defects

Yellowstone Wolf Study Reveals How to Raise Successful Offspring

Long Menopause Allows Killer Whales to Care for Adult Sons

Very Few Low-Income Moms Meet Breastfeeding Recommendations