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Gene mutations found to predict acute lymphoblastic leukemia relapse

Scientists have identified mutations in a gene that predict a high likelihood of relapse in children with acute lymphoblastic leukemia (ALL).

7 Jan 2009

Widespread antiviral drug use can accelerate the evolution of drug resistance in viruses

Influenza's ability to resist the effects of cheap and popular antiviral agents in Asia and Russia should serve as a cautionary tale about U.S. plans to use the antiviral Tamiflu in the event of widespread avian flu infection in humans, scientists say.

7 Jan 2009

Drive toward containing health care costs could have consequences for health care delivery

The drive toward containing health care costs could have the unintended consequence of reducing physician productivity, impairing quality and perhaps even increasing costs, two Beth Israel Deaconess Medical Center physicians suggest in a New England Journal of Medicine "Perspective."

7 Jan 2009

Discovery of more efficient way to create induced Pluripotent Stem (iPS) cells

A Boston University School of Medicine-led research team has discovered a more efficient way to create induced Pluripotent Stem (iPS) cells, derived from mouse fibroblasts, by using a single virus vector instead of multiple viruses in the reprogramming process.

7 Jan 2009

Mountaineers measure lowest human blood oxygen levels on record

The lowest ever levels of oxygen in humans have been reported in climbers on an expedition led by UCL (University College London) doctors.

7 Jan 2009

Levitating nanomechanics shows potential to improve medicine

Magicians have long created the illusion of levitating objects in the air. Now researchers at the National Institutes of Health and Harvard University have actually levitated an object, suspending it without the need for external support.

7 Jan 2009

Framingham and National Cholesterol Education Program tools do not accurately predict coronary heart disease

The Framingham and National Cholesterol Education Program tools, NCEP, do not accurately predict coronary heart disease, according to a study performed at the Yale University School of Medicine in New Haven, CT.

6 Jan 2009

Links between sleep apnea, stroke and death explained

Obstructive sleep apnea decreases blood flow to the brain, elevates blood pressure within the brain and eventually harms the brain's ability to modulate these changes and prevent damage to itself, according to a new study published by The American Physiological Society.

6 Jan 2009

Exercise may not be key to obesity epidemic

A recent international study fails to support the common belief that the number of calories burned in physical activity is a key factor in rising rates of obesity.

6 Jan 2009

New hope for leptin as a solution to obesity

The discovery more than a decade ago of leptin, an appetite-suppressing hormone secreted by fat tissue, generated headlines and great hopes for an effective treatment for obesity.

6 Jan 2009

Discovery of new way for bacteria to transfer toxic genes to unrelated bacterial species

In a laboratory experiment, the scientists from NYU School of Medicine discovered that Staphylococcus aureus, a notorious bacterium that causes toxic shock syndrome and many other types of infections and is the scourge of hospitals nationwide due to its growing antibiotic resistance, could co-opt viral parasites as secret pipelines for transferring toxin genes to vastly different bacterial species.

6 Jan 2009

Nicotine gum effective for gradual smoking reduction and cessation

Nicotine gum has been in use for over 20 years to help smokers quit abruptly yet close to two-thirds of smokers report that they would prefer to quit gradually.

6 Jan 2009

Many babies with simple febrile seizures can avoid spinal tap

When babies develop a fever high enough or abrupt enough to cause a seizure, frightened parents often rush them to the emergency room, where their workup frequently includes a lumbar puncture (spinal tap) to rule out bacterial meningitis.

6 Jan 2009

Health-monitoring technology helps seniors live at home longer

Many older adults want to remain active and independent for as long as possible. Seniors want to age in their own homes and avoid moving to institutions or nursing homes.

6 Jan 2009

Home visits lower likelihood of low birth weight babies

Socially disadvantaged mothers who receive home visits from trained community visitors are less likely to deliver low birth weight babies than other mothers in similar circumstances, a new study finds.

6 Jan 2009

Hand-held game devices lower fitness in children

If videogames like "Madden NFL" didn't exist, 12-year-old Tom might go outside and toss around a real football - and he'd have a better chance of sprinting for a touchdown without getting winded.

6 Jan 2009

COUP-TFII plays pivotal role in obesity, metabolic syndrome

A protein known to play a role in development and the formation of organs is also an important factor in the control of obesity and diabetes, said researchers from Baylor College of Medicine in a report that appears in the current issue of the journal Cell Metabolism.

6 Jan 2009

Lung cancer related to indoor radon could easily be prevented

About 1,100 people each year die in the UK from lung cancer related to indoor radon, but current government protection policies focus mainly on the small number of homes with high radon levels and neglect the 95% of radon related deaths caused by lower levels of radon, according to a study published on bmj.com.

6 Jan 2009

Hepatitis B and C in U.S.

In the last decade, more than 60,000 patients in the United States were asked to get tested for hepatitis B virus (HBV) and hepatitis C virus (HCV) because health care personnel in settings outside hospitals failed to follow basic infection control practices, according to a new study by the CDC.

6 Jan 2009

Innovative brain-scan technology helps visualize brain aging before symptoms appear

UCLA scientists have used innovative brain-scan technology developed at UCLA, along with patient-specific information on Alzheimer's disease risk, to help diagnose brain aging, often before symptoms appear.

6 Jan 2009