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Tag: "risk" at biology news

HIV dementia alarmingly high in Africa

... of antiretroviral medication, thus increasing the risk of drug resistance. People with dementia also are less likely to practice safe sex. Before antiretroviral medications were available in the United States, the U.S. rate of HIV dementia was similar to what was discovered in this study in Uganda, sa...

Unique tomatoes tops in disease-fighting antioxidants

... a number of health benefits, such as reducing the risk of developing cancer, cardiovascular disease and macular degeneration. "The tomato is a wonderful biosynthetic factory for carotenoids, and scientists are working on ways to enhance the fruit's antioxidant content and composition," Schwartz contin...

Cells selectively absorb short nanotubes

...into human lung cells and so may pose an increased risk to health, according to scientists at the National...many steps in the critical goal of reducing health risk by de novo engineering of the nanotubes themselves." ...

Light wine intake is associated with longer life expectancy in men

...moderate alcohol intake is associated with a lower risk of cardiovascular death. However, it remained unc...hol consumption were adjusted to account for other risk factors. The researchers found that long-term, light alcohol intake of less than or equal to 20 gr...

On automatic pilot

...o how the elderly move. For example, the increased risk of falls in the elderly is often associated with physical limitations. According to Pijpers this could also be a linked to cerebellar functioning, since certain parts of the cerebellum appear to decrease as we get older....

Temple University Hospital investigates treatment for cervical dysplasia

...ower the incidence of HPV infection and reduce the risk of cervical cancer," said Enrigue Hernandez, The A... cancer cases. "The vaccines do not eliminate the risk of developing cervical cancer," said Hernandez. " They do not provide protection to women who are al...

Researchers show that veins stiffen as we age

...re he provided patients with information about the risk factors affecting heart disease and the benefits of exercise. Then, during his postdoctoral training at Boston's Beth Israel Deaconess Medical Center, he worked with patients who were unable to stand without getting dizzy. And that began his research...

A potential biological cause for sudden infant death syndrome

...es. Although epidemiologic studies have identified risk factors for SIDS, such as putting babies to sleep ...o develop a diagnostic test to identify infants at risk for SIDS. They also envision a drug or other type of treatment to protect infants who have abnormal...

Mechanical 'artificial hearts' can remove need for heart transplant by returning heart to normal

...?particularly the shortage of donor hearts and the risk of organ rejection. "This therapy has the potential to ease the pressure on the waiting list while also offering patients a better alternative to a donor heart ?their own, healthy heart," she added. Professor Sir Magdi Yacoub, from the Heart...

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

...ntly, the team has found resveratrol to reduce the risk of death from the HC diet by 31 percent, to a point where it is not significantly increased over the SD group. [Note: Given that mice are still living, final calculations can't be made.] "The median lifespan increase we are seeing is about 15 percent...

Global map shows new patterns of extinction risk

... amphibians: "Endangered bird species are often at risk because their habitats are being destroyed. However, different factors entirely may affect mammals such as tigers which are under threat from poachers, and amphibians which are being diminished by diseases brought into their habitat by non-native fis...

NASA snow data helps maintain nation's largest, oldest bison herd

...owners and others who concerned about the possible risk to nearby cattle from Brucellosis-infected bison. An inter-agency partnership has developed a management plan to address this issue, requiring Yellowstone officials to move the animals off of private property, back onto public land, and sometimes...

Proteins may predict lung transplant rejection

...ced, Wendt said. "We want to identify people at risk of chronic rejection before they have the clinical manifestations," Wendt said. In addition to early identification, the researchers hope to eventually open the door to developing a preventative treatment and also gain insight into the physiological ...

UCSF study will test new vaginal microbicide for herpes and HIV

...the market. Women who have herpes are at increased risk of contracting HIV, so diminishing the risk of getting herpes also diminishes the risk of HIV infection. The generic name of the gel is "3 % ...

Record ozone loss during 2006 over South Pole

...ut 0,3% per year on a global scale, increasing the risk of skin cancer, cataracts and harm to marine life. The thinning of the ozone is caused by the presence of pollutants in the atmosphere such as chlorine, originating from man-made pollutants like chlorofluorocarbons (CFCs), which have still not van...

Underweight women at greater risk of miscarriage

...st three months of pregnancy, but can reduce their risk significantly by taking supplements and eating fre...tion between biological, behavioural and lifestyle risk factors and the risk of miscarriage, which affects an estimated quarter of a million women in the UK...

New way of tracking muscle damage from radiation

...I) could become a valuable tool for predicting the risk of muscle injury during and following radiation therapy, according to investigators at St. Jude Children's Research Hospital. The researchers report that MRI can spot the immediate injury done by radiation therapy to the muscles of children underg...

Increase in drug development for killer diseases is not enough

...nisms that spread the financial and organisational risk of product development. Anne-Laure Ropars, from the George Institute will be discussing the rise of drug development for neglected diseases and the role of PPPs at a major international conference, organised by the ESRC Innogen Centre to be held in ...

Heart smart: new drug improves blood flow

...rove blood flow in diseased arteries, reducing the risk of high blood pressure and heart attacks, a Monash...At the same time, many people without any apparent risk factors have unexpected heart attacks and strokes. We need a revolution in vascular diagnosis, treat...

Older fathers more likely to have autistic children

...en age 40 and older have a significantly increased risk of having autism spectrum disorders compared with ...ng age among fathers was associated with increased risk of autism. This association persisted after the researchers controlled for year of birth, socioecon...

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