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New mouse model for peanut allergy

Chicago researchers report the development of a new mouse model for food allergy that mimics symptoms generated during a human allergic reaction to peanuts.

12 Jan 2009

New evidence in support of Warburg theory of cancer

German scientist Otto H. Warburg's theory on the origin of cancer earned him the Nobel Prize in 1931, but the biochemical basis for his theory remained elusive.

12 Jan 2009

New insight and intervention ideas to help reduce the number of heart attacks

A new national study has shown that nearly 75 percent of patients hospitalized for a heart attack had cholesterol levels that would indicate they were not at high risk for a cardiovascular event, according to current national cholesterol guidelines.

12 Jan 2009

Researchers solve structure of key Ebola protein

Research led by Iowa State University scientists has them a step closer to finding a way to counter the Ebola virus.

12 Jan 2009

New cellular clues to understanding cancer

In the 13th January print edition of the journal Current Biology, Instituto Gubenkian de Ciencia researchers provide insight into an old mystery in cell biology, and offer up new clues to understanding cancer.

12 Jan 2009

Glaucoma may be linked to reading impairment in older adults

Glaucoma appears to be associated with slower spoken reading and increased reading impairment in older adults, according to a report in the January issue of Archives of Ophthalmology.

12 Jan 2009

Less than seven hours of sleep may mean more colds

Individuals who get less than seven hours of sleep per night appear about three times as likely to develop respiratory illness following exposure to a cold virus as those who sleep eight hours or more, according to a report in the January 12 issue of Archives of Internal Medicine , one of the JAMA/Archives journals.

12 Jan 2009

New hope for transplant recipients and AIDS patients

A researcher from the Université de Montréal and the Maisonneuve-Rosemont Hospital has discovered the mechanism that prevents the regeneration of CD4+ T lymphocytes, which are white cells that are required for the proper functioning of the immune system.

12 Jan 2009

Discovery of mechanism that may explain Parkinson's and other neurological disorders

Studying just eight families worldwide, the international team of researchers have discovered a genetic defect that results in profound depression and parkinsonism in a disorder known as Perry syndrome.

12 Jan 2009

Biologists discover link between CGG repeats in DNA and neurological disorders

Researchers have long known that some repetitive DNA sequences can make human chromosomes "fragile," i.e. appearing constricted or even broken during cell divisions.

12 Jan 2009

A new mechanism regulates type I interferon production in white blood cells

A study from a team of researchers led by Dr. Andrew P. Makrigiannis, Director of the Molecular Immunology Research Unit at the IRCM, has identified a new mechanism regulating interferon production.

12 Jan 2009

Elderly more at risk of heart attack in cold weather

Cold weather may raise blood pressure in elderly. In new research French are suggesting that elderly people may be more at risk of suffering a stroke, heart attack or kidney failure in winter because cold weather may raise their blood pressure.

12 Jan 2009

Link between mouthwash and oral cancer in dispute

A battle has broken out between dental health experts over claims by an academic researcher that the alcohol present in mouthwash products increases the risk of oral of cancer.

12 Jan 2009

Discovery of novel ways to halt the spread of antibiotic resistance

Scientists have identified the structure of a key component of the bacteria behind such diseases as whooping cough, peptic stomach ulcers and Legionnaires' disease.

9 Jan 2009

Reasons behind the South's higher stroke death rate

Southerners die from stroke more than in any other U.S. region, but exactly why that happens is unknown.

9 Jan 2009

Researchers find link between two aging pathways in mice

Two previously identified pathways associated with aging in mice are connected, say researchers at the Stanford University School of Medicine.

9 Jan 2009

Researchers trick bone marrow into releasing mesenchymal stem cells

Scientists have tricked bone marrow into releasing extra adult stem cells into the bloodstream, a technique that they hope could one day be used to repair heart damage or mend a broken bone, in a new study published today in the journal Cell Stem Cell.

9 Jan 2009

Understanding human smell at the neural level

A new Rice University study published in the Journal of Neuroscience found that socioemotional meanings, including sexual ones, are conveyed in human sweat.

9 Jan 2009

Smoking prevention programs badly needed in China

A study published this month in The New England Journal of Medicine, "Mortality Attributable to Smoking in China," provides an estimate of the number of premature deaths in China in 2005 that were caused by smoking.

9 Jan 2009

An explanation of how statins cause low rates of muscle symptoms

In the January 2009 issue of the American Journal of Medicine , Florida Atlantic University researcher Charles H. Hennekens, M.D., the first Sir Richard Doll Research Professor in the Charles E. Schmidt College of Biomedical Science and a renowned expert who has revealed numerous causal, therapeutic and preventive factors in the treatment and prevention of cardiovascular disease (CVD), most notably low-dose aspirin, explains why statins cause low rates of muscle symptoms.

9 Jan 2009