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Dialysis patients residing at higher altitude have lower rate of death

Compared to dialysis patients living near sea level, dialysis patients living at an altitude higher than 4,000 feet have a 12-15 percent lower rate of death, according to a study in the February 4 issue of JAMA.

3 Feb 2009

Discovery fleshes out metabolism of key environmental and energy bacteria

An international collaboration of researchers has discovered a new enzyme in a species of bacteria with potential environmental cleanup and energy roles.

2 Feb 2009

Scientists discover protein critical for the growth of pancreatic cancer

Researchers at Stanford University School of Medicine have identified a protein critical for the growth of pancreatic cancer.

2 Feb 2009

Daytime impairments in senior men with obstructive sleep apnea are related to total sleep time

A study in the Feb. 1 issue of the journal SLEEP shows that daytime functional impairments in older men with obstructive sleep apnea (OSA) are largely explained by total sleep time rather than OSA severity.

2 Feb 2009

Scientists, engineers to face obstacles over the next decade in providing clean water

Scientists and engineers will face a host of obstacles over the next decade in providing clean water to millions of people caught up in a water shortage crisis, a panel of scientists and engineers said today at a briefing at the Broadcast Center of the National Press Building on the Final Report on the American Chemical Society's Global Challenges/Chemistry Solutions.

29 Jan 2009

Octuplets doing well

An American mother has given birth to octuplets - the babies, six boys and two girls were born at the Kaiser Permanente Medical Center at Bellflower hospital in Los Angeles and so far all is well.Octuplets doing well

29 Jan 2009

Reduce the calories and increase that brain power!

According to a study conducted by researchers in Germany older people benefit from a calorie restricted diet in more ways than one - they lose weight but also improve their memories.

28 Jan 2009

Researchers refine breast cancer identification

Not all breast cancers are the same, and not all will have fatal consequences.

27 Jan 2009

Researchers create precise biosensor for detecting blood glucose

Researchers have created a precise biosensor for detecting blood glucose and potentially many other biological molecules by using hollow structures called single-wall carbon nanotubes anchored to gold-coated "nanocubes."

23 Jan 2009

Slices of living human brain tissue are helping scientists identify new stroke therapies

Slices of living human brain tissue are helping scientists learn which drugs can block the waves of death that engulf and engorge brain cells following a stroke.

21 Jan 2009

Researchers show how anthracycline class of chemotherapeutics block blood vessel growth, slow cancer spread

Researchers at the Johns Hopkins University School of Medicine have discovered how a whole class of commonly used chemotherapy drugs can block cancer growth.

21 Jan 2009

Cell transplantation and diabetes: New sites, new devices

Early attempts at islet cell transplantation to treat diabetes date to the nineteenth century, decades before the discovery of insulin in the 1930s.

21 Jan 2009

Stents can be placed in the brain to treat a stroke as it's occurring

Stents can be placed in the brain to treat a stroke as it's occurring, suggests preliminary data being presented at the 21st Annual International Symposium on Endovascular Therapy (ISET).

19 Jan 2009

New scan shows bleeding inside heart after heart attack

Images that for the first time show bleeding inside the heart after people have suffered a heart attack have been captured by scientists, in a new study published today in the journal Radiology.

19 Jan 2009

Dengue outbreaks blamed for depletion of donated blood supply

The Red Cross in Queensland has issued an urgent call for blood donors to come forward as the collection of blood has been restricted in Dengue-affected areas.

19 Jan 2009

How the sensory organs of bacteria function

Bacteria can occur almost anywhere on earth and exist under the most varying conditions. If these tiny, microscopic organisms are to survive in these environments, they need to be able to rapidly detect changes in their surroundings and react to them.

19 Jan 2009

Higher mortality among unscreened children

Swedish researchers have previously shown that as maternity ward stays become shorter, more and more newborns leave the hospital with undetected life-threatening congenital heart disease.

19 Jan 2009

Genetic variations in DNA repair patterns may increase risk of pancreatic cancer

Genetic variations in DNA repair patterns may increase risk of pancreatic cancer by as much as threefold or decrease it by as much as 77 percent, depending on the genes involved, according to a report published in the January 15, 2009, issue of Clinical Cancer Research, a journal of the American Association for Cancer Research.

19 Jan 2009

The retina reveals deadly secrets of malaria

Looking at the retina in the eyes of patients with cerebral malaria has provided scientists with a vital insight into why malaria infection in the brain is so deadly.

15 Jan 2009

New diagnostic tool to measure blood flow could prevent needless stents

Doctors may be implanting too many artery-opening stents and could improve patient outcomes - and ultimately save lives - if they did more in-depth measurements of blood flow in the vessels to the heart.

15 Jan 2009