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Tag: "age" at biology news

Monitoring poisons in the environment -- a woolly matter

...way". Future studies are planned to assess how the age of the sheep, and where on the animal the wool is taken from, influence results. Furthermore, it is intended to use samples provided by the British Wool Marketing Board in order to provide regional and national focus to this work. In addition, it is ...

Light wine intake is associated with longer life expectancy in men

...eath risk, but also with longer life expectancy at age 50," said Martinette T. Streppel, lead author of the study and a Ph.D. student in the Division of Human Nutrition at Wageningen University and National Institute for Public Health and the Environment (RIVM) in Bilthoven, The Netherlands. "Furthermor...

Chronic pain up almost 40 percent among US workers in past decade

...sing in prevalence among U.S. workers as Americans age and lead more sedentary lifestyles," said Rollin Gallagher, M.D., M.P.H., editor-in-chief of the NPF Web site ( www.NationalPainFoundation.org ), a founding and current member of the Board of the NPF and clinical professor and director, Center for Pa...

Researchers show that veins stiffen as we age

...d no effect on the response of the veins in either age group. "Thus, we think that the stiffening of our veins as we age is probably due to structural changes, such as a thickening of the vein walls," Farquhar said. "Hard...

Single molecule extends fat mice lives by reversing gene pathways associated with disease in obese

...s. Using liver tissue of five mice at 18 months of age from each group, the team performed a whole-genome...also found that the livers of mice at 18 months of age on the HC diet were greatly increased in size and weight. Liver tissue studies of these mice showed...

Monoclonal antibody reduces exacerbations in asthmatics

...on, it is especially useful in patients older than age five who have persistent moderate to severe asthma.) "None of the exacerbations we saw in our study warranted treatment with oral corticosteroids or hospitalization, so they cannot be considered to have been severe," said Dr. Hansel. The researcher...

Interaction between lymph and liver cells may affect immune response

...ude. "We have shown [in previous studies] that old age is associated with dramatic reductions in the fenestrations of LSECs therefore the altered immune responses of older people might in part be mechanistically linked to reduced opportunity for TEHLI in old age." In an accompanying editorial in the s...

Mutant gene causes severe kidney disease in infants

...en developed symptoms of nephrotic syndrome before age four. Five children progressed to end-stage renal disease before age 5. But surprisingly, two children who received early treatment with steroids or cyclosporin A were ...

Underweight women at greater risk of miscarriage

...ors, for example in relation to increased maternal age and alcohol consumption, but they also revealed a number of interesting new associations. They found that underweight women were 72% more likely to miscarry in the first trimester. However, women who took vitamin supplements during early pregnancy...

New way of tracking muscle damage from radiation

...iation the child received, but also to the child's age and the presence of a nearby tumor. "We hope that detecting these changes at such an early stage may help clinicians predict which patients need an intervention to prevent late damage," Krasin said. Soft tissue sarcomas are cancers that arise in ...

Molecular 'marker' on stem cells aids research, perhaps therapies

...augmentation, or to shore up bones left fragile by age or disease. “With a purer cell population, you should have a more effective therapy,?Dr. Perlingeiro said. The SSEA-4 molecule was known to be on the surface of embryonic stem cells, as well as on embryonic carcinoma cells, the malignant counter...

Bones at the nanoscale

...echanical function and how they may be affected by age and disease....

New brain-chemistry differences found in depressed women

...depression, and 14 healthy women of about the same age and background. The women with depression were not taking antidepressants when the study began. "This work gives further evidence of individual differences in brain mechanisms that are altered in major depression," says senior author Jon-Kar Zubie...

Older fathers more likely to have autistic children

Children of men age 40 and older have a significantly increased risk o...f autism, according to the authors. Older parental age has previously been linked to abnormalities in the brain development of children; however, few studi...

Good times ahead for dinosaur hunters, according to U of Penn scientist's dinosaur census

The golden age of dinosaur discovery is yet upon us, according to...arth, as a whole, where the rocks are of the right age to contain fossils dating back to the dinosaur era. At some point, paleontologists will find all th...

Designer babies - what would you do for a 'healthy' baby?

...ty. The evidence suggests that there are gender, age and socio-economic class differences in what is deemed desirable and that many prospective parents would be prepared to manipulate their babies in ways that are at odds with moral orthodoxy. "People assume that the very notion of designer babies st...

Hair-growth drug artificially lowers PSA levels in prostate cancer screening, study finds

...s found. The study, involving 308 men ranging in age from 40 to 60 years old, is available online in the British medical journal The Lancet and is scheduled to be published after Jan. 1, 2007. The study calls for new clinical guidelines for primary-care physicians, dermatologists and urologists to acco...

Studies find general mechanism of cellular aging

...heir ability to divide and replace themselves with age as the expression of p16INK4a increases," said Sh...-deficient neural stem cells work better and don't age to the same extent that wild-type (normal) stem cells do, Sharpless said. Dr. Janakiraman Krishnamu...

Researchers identify new weapon to fight deadly bacterial sepsis

... creator Jim Henson died of the disease in 1990 at age 53. Epidemiologists blame this large increase on the explosive rise in antibiotic-resistant bacteria caused by overuse of antibiotics as well as on the increasing numbers of people living with immune systems weakened by HIV, using immune-suppressi...

Stroke symptoms common among general population

...revious study found that 11 percent of individuals age 55 to 64, 22 percent of those ages 65 to 69 and 43...mple of 18,462 adults older than 45 years (average age 65.8) who had not been diagnosed with stroke. To ensure including many individuals at risk for stro...

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