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Tag: "young" at biology news

Pittsburgh researchers discover that certain chemicals in the blood may indicate brain injury

...common cause of severe traumatic brain injuries in young children ?are often misdiagnosed because doctors r...at an infant has been shaken, the patients are too young to talk, and the symptoms such as vomiting and fussiness are common in many childhood illnesses. I...

New compound stops brain cell degeneration in Alzheimer's disease

...o analyses were carried out by a new generation of young scientists trained in our educational program to instruct the next generation of interdisciplinary scientists," Watterson said. Northwestern University patented the compound designated 188WH and has exclusively licensed the patent rights to NeuroMed...

Testes to incubate stem cells

...e for men. "This is a very promising route to help young cancer patients undergoing chemotherapy," Dirk de Rooij of Utrecht University, Netherlands, told participants gathered at the first EuroSTELLS conference in Venice last month. The research team were delighted to find abundant bovine spermatogonial ...

First wolverine radio-collared in Pacific Northwest

...ula, Mont., rushed to the Methow Valley to fit the young female wolverine with a satellite radio collar to ...eavily on scavenging for food during winter. "The young female wolverine we collared weighed about 19 pounds, and was in excellent health and condition. Sh...

Cure for cancer worth $50 trillion

...nt population, with the largest gains at birth and young age. "An analysis of the value of health improvements is a first step toward evaluating the social returns to medical research and health-augmenting innovations," write the authors. "Improvements in life expectancy raise willingness to pay for furth...

Hyena mothers give their cubs a helpful dose of hormones

...h levels of certain hormones that make her budding young leaders more aggressive and sexually advanced. The report, published in the April 27 issue of Nature, is the first study in mammals to demonstrate a relationship between a female's social rank and her ability to influence her offspring's behavior th...

Sexual reproduction delays aging in a mammalian species

...le-life) helpers--burrowing, foraging, and raising young together. Whereas the breeding pair is sexually active throughout the year, the helpers are sexually quiescent. By comparing the long-term survival of breeders and non-breeders, Dammann and Burda found that the former lived extraordinarily long (up t...

New Rotavirus vaccine joins routine infant immunization schedule

...e largest infectious disease killer of infants and young children worldwide. Three scientists associated with The Children's Hospital of Philadelphia and The Wistar Institute are co-inventors of the vaccine, based on research dating to 1980. Meeting today in Atlanta, the Advisory Committee on Immunization...

Human prostate grown from embryonic stem cells

...uman prostate tissue equivalent to that found in a young man, in just 12 weeks. Co-first authors of the study, Monash Institute of Medical Research (MIMR) scientists PhD student Prue Cowin and Dr Renea Taylor (also from the Monash Immunology and Stem Cell Laboratories), said the discovery will allow scien...

Infants can organise visual information at just four months

...her (proximity). These new findings mean that very young infants are much more capable of organising their visual world than psychologists had previously thought. The study also has implications for understanding certain developmental disorders such as Williams syndrome. The findings emerged from Econom...

Animal models show that anabolic steroids flip the adolescent brain's switch for aggression

...s more aggressive, but may keep them that way into young adulthood. The effect ultimately wears off but th...r length under the best of circumstances) and make young people "pop off" for years, a danger to themselves and to others. Melloni and others researchers al...

Parents need to be educated about HPV vaccinations for daughters

London, UK: Parents of young girls may soon be offered the opportunity to have ...n effective means of preventing HPV infection when young women are most susceptible in their teenage and young adult years. "The origins of cervical cancer ...

Stem cells from muscles can repair cartilage

...umans, since 12-week-old rats are considered to be young adults." Although recent studies have suggested that fatty tissue and tissue lining the space between joints (synovium) might also be sources of stem cells, obtaining these cells is more invasive than muscle biopsies. The author also notes that patie...

Infant transplant patients resist infections that kill adult AIDS patients

...hat when a heart transplant is carried out in very young infants, the thymus that produces T cells is removed and a drug is given that depletes T cells," said Dr. Platt. "Yet the infants don't get the same diseases that adult AIDS patients do, even though the transplanted infants are basically a model of A...

Alleged 40,000-year-old human footprints in Mexico much, much older than thought

...gon dating technique, which reliably dates rock as young as 2,000 years or as old as 4 billion years. The British-led researchers, however, relied mainly on carbon-14 dates of overlying sediments. Carbon-14 cannot reliably date materials older than about 50,000 years. The idea for another test that, it tu...

Getting old? Slowing down? Blame inefficient mitochondria

...ngton, Seattle, compared resting muscle cells from young (7-month) and old (30-month) mice. They found that old muscle used around half as much energy as young muscle, but that the mitochondria used just as much oxygen at both ages. This represents a 50% loss ...

Feeling old?

...ults is constantly being built and broken down. As young adults we keep the two processes in balance, but w...ss this, researchers compared protein breakdown in young (8-month) and old (22-month) rats. They discovered that the slow down in degradation that normally f...

Study finds that nutritionally enhanced rice reduces iron deficiency

...pread in Africa, affecting more than 80 percent of young children in some countries. Nutritional experts correctly advise that the best solution is a balanced diet of fruit, vegetables and meat, but, for the very poor, such choices are simply not possible and so they depend predominantly on staple foods ...

Why the Amazon rainforest is so rich in species

...es are probably ancient. Some groups contain very young and rapidly evolving species, such as the Amazonian tiger-stripe butterflies [the genus Melinaea], many of whose species are only a few hundred thousand years old. Other groups were very ancient and hadn't produced many species over tens of millions ...

New research examines genetics of successful aging

...pared the DNA of the study sample with that of 100 young adults, aged 18-25 years old, who were matched for...4 allele among the elders compared to the group of young adults. These gene variants confer protection and risk, respectively, of Alzheimer's disease, the m...

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