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Important sleep genes found

For many animals, sleep is a risk: foraging for food, mingling with mates and guarding against predators just aren't possible while snoozing.

22 Feb 2009

Green or black tea reduces stroke risk

Drinking at least three cups of green or black tea a day can significantly reduce the risk of stroke, a new UCLA study has found. And the more you drink, the better your odds of staving off a stroke.

22 Feb 2009

High-flux hemodialysis prolongs survival in chronic kidney disease

High-flux hemodialysis (which removes large toxins) reduces the risk of premature death in many patients with chronic kidney disease (CKD), according to a study appearing in the March 2009 issue of the Journal of the American Society Nephrology (JASN).

22 Feb 2009

Gene therapy shows potential against HIV

A new UCLA AIDS Institute study has found that gene therapy can be developed as a safe and active technique to combat HIV.

22 Feb 2009

Decoding short-term memory with functional magnetic resonance imaging

People voluntarily pick what information they store in short-term memory.

22 Feb 2009

Calculating protein and gene connections in a Parkinson's model

Researchers have created an algorithm that meshes existing data to produce a clearer step-by-step flow chart of how cells respond to stimuli.

22 Feb 2009

B-cell clones as early markers for chronic lymphocytic leukemia

Testing of blood specimens may detect abnormal white blood cells in patients years before the chronic form of lymphocytic leukemia (CLL) develops, according to research published in the current issue of the New England Journal of Medicine.

22 Feb 2009

Toenail clippings reveal environmental arsenic exposure

Scientists from Leicester and Nottingham have devised a method for identifying levels of exposure to environmental arsenic - by testing toenail clippings.

22 Feb 2009

Aching back? cholesterol drug Lovastatin might help

Back pain, a hallmark of degenerative disc disease, sends millions of people to their doctor. In fact, more than 80 percent of patients who undergo spine surgery do so because of disc degeneration.

22 Feb 2009

Stenting not necessary in late treatment of heart attacks

Two years ago, a major study found that many patients who receive delayed treatment for a heart attack do just as well with drugs alone as they do with drugs plus stents to prop open their blocked arteries.

20 Feb 2009

Robotic therapy may reduce stroke physical disability years later

Robot-assisted therapy may help stroke patients attain gains in their physical abilities long after the stroke, according to research presented at the American Stroke Association's International Stroke Conference 2009.

20 Feb 2009

Kidney disease affects response to anticoagulant drug warfarin

Patients with reduced kidney function require lower doses of the anticoagulant drug warfarin, and may need closer monitoring to avoid serious bleeding complications, suggests a study in the April 2009 issue of the Journal of the American Society of Nephrology ( JASN ).

20 Feb 2009

Inhibiting proteins may prevent cartilage breakdown in arthritis patients

Current arthritis medications can ease the pain, but stopping the progression of the disease requires more aggressive treatments: use of very limited available drugs or surgical intervention.

20 Feb 2009

High-fat diets inflame fat tissue surrounding blood vessels

A study by researchers at the University of Cincinnati (UC) shows that high-fat diets, even if consumed for a short amount of time, can inflame fat tissue surrounding blood vessels, possibly contributing to cardiovascular disease.

20 Feb 2009

Lynx2 gene linked to nervous behavior in mice

To measure anxiety in a mouse and suggest it's similar to anxiety in a person may seem like a stretch, but the metrics sound uncannily familiar.

20 Feb 2009

Racial disparities in colorectal cancer screening persist

Colorectal cancer screening among patients with Medicare coverage is increasing, but a persistent gap remains between whites - who are screened most frequently - and all other racial and ethnic groups, according to a new study by researchers at UC Davis and the University of Washington.

20 Feb 2009

Echoes discovered in early visual brain areas play role in working memory

Vanderbilt University researchers have discovered that early visual areas, long believed to play no role in higher cognitive functions such as memory, retain information previously hidden from brain studies.

20 Feb 2009

Collective religious rituals, not religious devotion, spur support for suicide attacks

In a new study in Psychological Science , a journal of the Association for Psychological Science, psychologists Jeremy Ginges and Ian Hansen from the New School for Social Research along with psychologist Ara Norenzayan from the University of British Columbia conducted a series of experiments investigating the relationship between religion and support for acts of parochial altruism, including suicide attacks.

20 Feb 2009

Cancer death rates fall among African Americans - survival rates still low

While death rates from cancer continue to drop among African Americans, the group continues to be diagnosed at more advanced stages and have lower survival rates at each stage of diagnosis compared to whites for most cancer sites.

20 Feb 2009

Blood pressure drug losartan may benefit brain tumor patients

A widely used blood pressure medication may be the key to preventing brain function loss common after radiation treatment, according to a newly published study by researchers at Wake Forest University Baptist Medical Center.

20 Feb 2009