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Screening for colorectal cancer should start at 40

New evidence suggests screening for colorectal cancer, which is now recommended to begin at age 50 for most people, should start five to 10 years earlier for individuals with a significant lifetime exposure to tobacco smoke, a University of Rochester Medical Center study said.

14 Feb 2008

Brain's serotonin system differs between men and women

Serotonin is a brain neurotransmitter that is critical to the development and treatment of depression and chronic anxiety, conditions that, for reasons still unknown, are much more common in women than in men.

14 Feb 2008

Scientists solve structure of gene regulator that plays key role in cancer

Scientists at The Wistar Institute have collaborated on a major advance in understanding a gene regulator that contributes to some of the deadliest cancers in humans.

14 Feb 2008

Drug delivery straight to the brain

Scientists at the University of Portsmouth have won nearly half a million pounds to try and develop a way of allowing drugs to be delivered straight to the brain.

14 Feb 2008

Routine screenings uncover hidden carbon monoxide poisoning

Screening all emergency room patients for carbon monoxide poisoning is a simple yet potentially life-saving practice that can be done even in a high-volume urban hospital, according to new research by emergency physicians at Rhode Island Hospital.

14 Feb 2008

Research helps explain why some stroke patients recover language skills

New research suggests that when one part of our language network breaks down, the system has the ability to reroute itself.

14 Feb 2008

Predicting astronauts from radiation

European scientists have developed the most accurate method yet for predicting the doses of radiation that astronauts will receive aboard the orbiting European laboratory module, Columbus, attached to the ISS this week.

14 Feb 2008

Slow growth rate found in overall prices in medical technology sector

AdvaMed, the Advanced Medical Technology Association, has released an important new study that demonstrates the slow rate in growth in overall prices in the highly competitive medical technology sector.

14 Feb 2008

Additional similarities found between nicotine and opiate addiction

"That was good!" "Do it again."This is what the brain says when people use tobacco, as well as 'hard drugs' such as heroin.

14 Feb 2008

Search for genes tied to social behavior

The first genome-wide search for genes governing social behavior has found that even the simplest social creatures - the amoebae Dictyostelium discoideum - have more than 100 genes that help regulate their cooperative behavior.

14 Feb 2008

Giving birth to a boy can lead to higher levels of severe post-natal depression

Giving birth to a boy can lead to higher levels of severe post-natal depression (PND) and reduced quality of life than having a girl, according to research published in the February issue of Journal of Clinical Nursing.

14 Feb 2008

Location location location, even for genes

Moving an active gene from the interior of the nucleus to its periphery can inactivate that gene report scientists from the University of Chicago Medical Center in an article to be published early online Feb.13, 2008, in the journal Nature.

14 Feb 2008

Gene chip technology used to distinguish ventilator-associated pneumonia from underlying critical illness

Critically ill patients who need a ventilator to breathe face a high risk of pneumonia.

14 Feb 2008

Post-traumatic stress disorder leads to long-term health problems

Geisinger research finds that veterans suffering from posttraumatic stress disorder (PTSD) are as likely to have long-term health problems as people with chronic disease risk factors such as an elevated white blood cell counts and biological signs and symptoms.

14 Feb 2008

Researchers use embryonic stem cells to develop functioning immune system blood cells

For the first time, researchers have used embryonic stem cells to develop functioning immune system blood cells -- an important step in eventually using embryonic stem cells as an alternative source of cells for traditional bone marrow transplantations.

14 Feb 2008

Bacterial toxin closes gate on immune response

Researchers at the University of Pennsylvania School of Medicine have demonstrated that a bacterial toxin from the common bacterium Staphylococcus aureus shuts down the control mechanism of the tunnel, called an ion channel, in immune cell membranes.

14 Feb 2008

Maslinic acid from olives shows anti-cancer properties

A research group of the University of Granada has found out that maslinic acid, a compound present in the leaf and the olive skin wax extracted from alpeorujo (crushed olive pulp), has the capacity of preventing cancer as well as regulating apoptosis in carcinogenic processes.

14 Feb 2008

Problems with blood thinning drug could originate in China

Following a warning from the the U.S. Food and Drug Administration (FDA) that it had received reports of 4 deaths and over 300 incidents of health problems associated with a blood thinning drug, it has now been revealed that U.S. regulators never inspected the Chinese plant that makes Baxter International's heparin.

14 Feb 2008

Another Vietnamese falls victim to bird flu

Vietnamese authorities have confirmed that a man who has died in a Hanoi hospital was infected with the bird flu virus.

14 Feb 2008

Probiotics help keep elite athletes fit and well

According to the latest Australian research the immune system of long-distance runners was enhanced by probiotics - dietary supplements containing potentially beneficial bacteria or yeasts.

13 Feb 2008