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Tag: "age" at biology news

Thymus transplants gives hope to babies with fatal immune disease

"My baby is doing what other babies her age are doing -- she's feeding herself, putting on her...system, gets to experience what other children her age face -- standard childhood immunization shots. ...

Study shows dramatic increase in Caesarean sections

... "From the analysis it is clear that both maternal age and affluence are factors in the increasing rates of caesareans. "When we included private medical insurance into the analysis, we found that women who had medical insurance were more than three times as likely to have an elective caesarean sectio...

Switching genes to overdrive improves muscular dystrophy symptoms in mice

...rths of boys, and is ultimately fatal. The average age of death is the mid-teens, and most patients die by their 30s. In the United States, about 400 to 600 boys are born each year with DMD or Becker Muscular Dystrophy, a milder form of the disease. The cause is a mutation, either inherited or occurring ...

Study examines genetic risk factors for Alzheimer's disease

...s disease, which affects one in 20 people over the age of 65 and one in five over the age of 80 in the UK and more than 12 million people worldwide. The disease causes a distressing, irrever...

Study shows isolation of stem cells may lead to a treatment for hearing loss

...ing. In the United States, 30% of people over the age of 65 have a handicapping hearing loss and of those, one in 500 people become deaf before reaching adulthood. In most cases, the target is the highly specialized hair cells. Docked inside the spiral duct of the human cochlea are ~15,000 hair cells,...

Human's ecological footprint in 2015 and Amazonia revealed

...essors, while urbanization, economic structure and age of population have little effect. Modeling global average productivity to compare environmental tradeoffs and human-induced stressors in the environment Thomas Dietz (Michigan State University), Eugene Rosa (Washington State University) and Richard ...

Pitt study notes decline in male births in the US and Japan

...ome combination of these factors, along with older age of parents, may account for decreasing male births.? Dr. Davis explained that environmental factors, such as prenatal exposure to endocrine- disrupting environmental pollutants may impact the SRY gene ?a gene on the Y chromosome that determines t...

MIT model helps researchers 'see' brain development

...ommended by Grant that allowed her to identify the age at which each type of fold, coarse or fine, developed, and how quickly. She found that the coarse folds, equivalent to the largest folds in a crumpled piece of paper, develop earlier and more slowly than fine-grained folds. In addition to prov...

'Guardian of the genome' protein found to underlie skin tanning

... ?known as post-inflammatory hyperpigmentation, or age spots ?occurs," Fisher says. "We know that it occurs as a result of stress, and p53 is a classic 'stress' protein, going into action when cells experience stress-related DNA damage. What we've learned about p53 suggests that it may trigger the hyperp...

Study examines risk of soft tissue sarcomas in hereditary retinoblastoma survivors

...ffects children and is most often diagnosed before age 1. The disease can often be cured; 97 percent of retinoblastoma patients survive 5 years after diagnosis. However, patients with hereditary retinoblastoma are at a high risk of developing another cancer, including soft tissue sarcomas. The increased ...

Study finds surfing safer than soccer

... says Nathanson. The authors note that although age and gender had no bearing on the injury rate, wave size and bottom type, independently, were significantly associated with a great chance of injury. "It would come as little surprise to most surfers that the injury rate more than doubles when surf...

Male reindeer inflate a large air sac in the neck region to emit their hoarse rutting calls

...e in male and female reindeer until they reach the age of two–three years, at which point the female's air sac stops growing, whilst the male's continues to develop. The authors of the research paper further explain that the rutting calls appear to be understood by rival males as an indicator of the c...

Children who sleep more weigh less

...-year-olds slept on average less than 10 hours. By age 14, weekday sleep time fell to 8.5 hours. “Our results suggest that many American children are not sleeping enough,?said lead researcher Emily K. Snell of the School of Education and Social Policy and the Institute for Policy Research at Northwest...

Fighting influenza & co. with 40,000 blood samples

...h younger people. The reason for this is that with age the fire power of the immune system is reduced. Wh...ompletely different ailments. For each sample, the age of the person it was taken from is known. The scientists aim to obtain an overview of the immune sta...

Researchers find gene mutation that causes infertility in male mice

Up to 15 percent of couples of childbearing age struggle with the heartache of infertility. Now there is the promise of new hope with Cornell researchers' identification of a mutation in a gene that causes male infertility in mice. Because this is the first time that a dominant mutation that leads...

Research finds music training 'tunes' human auditory system

...ngs indicate that experience with music at a young age in effect can "fine-tune" the brain's auditory sys...of musical instrument training starting before the age of 12. The other half had minimal (less than 2 years) or no musical training. All were native Englis...

Cold sore virus might play role in Alzheimer's disease

...he ApoE gene known as ApoE-4, which after advanced age is the leading known risk factor for getting Alzheimer's disease, with the form of herpes ?herpes simplex 1 or HSV ?that infects more than 80 percent of Americans and causes cold sores around the mouth. The findings from a group at the University of ...

Smell may outlast other senses

...ctory function deteriorates relatively slowly with age in those who do not smoke, take medications or have a history of nasal problems such as sinusitis. However the ability to smell drops off much quicker in older people who were taking medications ?also an indicator of underlying health problems. ...

Robotic therapy helps restore hand use after stroke

...AGE_2 In the UCI study, each patient, average age 63, received 15 two-hour therapy sessions, spread ...e-quarters of all strokes occur in people over the age of 65 and the risk of having a stroke more than doubles each decade after the age of 55, according t...

Chemo combination improves survival in asbestos-related cancer

... percent of the patients were men, with an average age of 61. Patients who received the combination treatment survived an average 2.8 months longer. Patients receiving both medications also reported improved quality of life in terms of fatigue, loss of appetite, pain and cough. During the early s...

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