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Tag: "age" at biology news

Survivors of childhood polio do well decades later as they age

... "Our results suggest that polio survivors may not age any differently than those in the normal populatio...linic, and followed them for 15 years. The average age of participants at the study's start was 53, and the patients were an average of 40 years past their...

Five surprising facts about starvation that could change the international agenda

...se in both the number of wasted children under the age of five and in the overall rate of wasting, about 78% of the world's 5.5 million wasted children live in India, Pakistan, and Bangladesh; nearly two thirds of those in India alone," says Webb. Secondly, the absence of conflict, such as political in...

Nutrition a major factor in rise in twin pregnancies

...ransfer one embryo at a time, irrespective of the age of the mother to be", he said. In another other presentation to the conference, Mr. Graham Scotland, from the Health Economics Research Unit, University of Aberdeen, Aberdeen, UK, described how he and his colleagues had conducted work that throws li...

High-dose flu vaccines appear to safely boost immunity in elderly

...ng 15, 30 and 60 ìg of virus among 202 individuals age 65 years and older (average age 72.4) in 2002. The 60-ìg level was selected as the highest dosage because manufacturers would reaso...

UCLA scientists strengthen case for life more than 3.8 billion years ago

...in response to the criticism. We went to learn the age of the rocks and to make a better geologic map of the area than any that existed." At the time of the 1996 Nature paper, there was no reliable map showing the geology of the area, Manning said. So he created one. "I wandered around that outcrop fo...

High estrogen levels associated with dementia in older men

...rchers used Cox regression analyses, adjusting for age and other covariates, to see if hormone levels were associated with risk of developing dementia "Levels of bioavailable testosterone were not associated with risk of cognitive decline and incident dementia," they report. "In contrast, higher levels...

Research identifies protein in mice that regulates bone formation

...ities, afflicts some 10 million Americans over the age of 50. Researchers at the Harvard School of Public Health (HSPH) have discovered that eliminating a protein, Schnurri-3 (Shn3), in mice led to profound increases in bone mass throughout their skeletal system. The results may have implications for the...

Key to early diagnosis of autism may be in the placenta

...e the condition at birth, rather than the standard age of two or older. The findings are reported in th...for ASD so that the diagnosis can be made prior to age one. The ideal time for diagnosis would be at birth, according to senior author on the study Harvey ...

Chemical in many air fresheners may reduce lung function

...osure, such as type of heating, use of wood fires, age of house, presence of furred pets, occupation, socioeconomic status, environmental tobacco smoke, smoking history, and diagnosis of asthma or emphysema. The authors noted that participants might have been exposed to other agents not assessed in this...

One-third of adults with diabetes still don't know they have it

...he prevalence of diagnosed diabetes in U.S. adults age 20 and older has risen from about 5.1 percent to 6...Over the years studied, about 26 percent of adults age 20 and older continued to have impaired fasting glucose (IFG), a form of pre-diabetes. IFG, in whic...

New pathways for autoimmune treatment identified

...ucous membrane and adrenal gland insufficiency ?by age 5 and up to 16 autoimmune diseases over a lifetime. The same mutation causes a defect in i NKT cells, a type of regulatory cell that helps the immune system fight infections while suppressing errant T cells bent on attacking the body, Medical Coll...

Spray-on skin relieves emotional trauma for child burn victims

... Swannell said. Twenty children, with an average age of twelve years were involved in the study. The vast majority of children indicated they enjoyed social outings more when wearing Microskin. Most children could not feel Microskin on their skin. The study also showed that use of the product lead to...

With cochlear implants, earlier use leads to better speech

... toy train set. In contrast, a child of the same age who had a cochlear implant 31 months earlier made ...t, the better his or her spoken language skills at age 3 and a half. The research was conducted by Johanna Grant Nicholas, Ph.D., research associate profes...

Tetracycline plus teeth equal gray smile

Many adults over age 35 cover their mouth to avoid smiling in public in order to hide their teeth darkened by tetracycline stains. Typically, invasive as well as costly treatment options, such as veneers, crowns and bonding, served as the only treatment options to help t...

Science finds new fix for UV-damaged skin in arthritis treatment

...ritis ?can actually help stop the formation of new age spots, and help fade existing ones. "These findin...there was less excess pigment in the skin to cause age spots. Additionally, the panel concluded that a formulation of n-acetyl glucosamine and niacinamide...

Researches discover gene critical for protection against septic-shock-induced death

... to sepsis is around 30 percent and increases with age from 10 percent in children to 40 percent in the elderly. Mortality is 50 percent or greater in patients with the more severe syndrome, septic shock. Suspecting that a dysregulation in the body's inflammatory response exacerbates sepsis, the researc...

Biomarkers may hone anti-aging therapies

...me theories of cellular aging -- why and how cells age -- center on mitochondria and decreased energetic capacity resulting from mitochondrial DNA mutations, Sligh explained. In addition, mutations in mitochondrial DNA have been associated with tumor development. "We initiated this project with the idea...

AIDS-related cognitive impairment exists in two separate forms

...ent of the stage or location of the cancer, or the age or gender of the patient. In this study, blood taken from 654 colorectal cancer patients just before they had surgery was retrospectively analyzed for expression of the proteins. The test was not perfect, but it significantly identified the 308 pati...

Markers of gene, protein, or micro-RNA activity predict outcome in prostate and colorectal cancers

...ent of the stage or location of the cancer, or the age or gender of the patient. In this study, blood taken from 654 colorectal cancer patients just before they had surgery was retrospectively analyzed for expression of the proteins. The test was not perfect, but it significantly identified the 308 pati...

p53, tumor suppression and aging

...asizes that "many people develop cancer at a young age due to increased expression of Mdm2. The possibili...Mdm2 develop fewer tumors than wild type mice, yet age normally." ...

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