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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

Online racial discrimination linked to depression, anxiety in teens

In the early days of the Internet, some scholars once predicted a lessening of racism and race-based discrimination in online interactions thanks to the anonymity and race-neutral nature of the medium.

9 Jan 2009

Discovery of mechanism for dental pain

Researchers at Oregon Health & Science University's School of Dentistry have discovered a novel function of the peptide known as Nerve Growth Factor (NGF) in the development of the trigeminal nerve.

8 Jan 2009

Discovery of new molecule in blood-pressure control system

Researchers at Oregon Health & Science University's School of Dentistry have discovered that the nerve cells controlling heart rate and blood pressure synthesize a molecule known to be critically important for proper nervous system growth.

8 Jan 2009

Six more obesity genes identified

The international GIANT (Genetic Investigation of Anthropometric Parameters) consortium works on the discovery of obesity genes.

8 Jan 2009

Mortality rates higher for heart disease patients in neighbourhoods with poor socioeconomics status

Heart disease patients living in poorer areas of B.C. are up to twice as likely to die from chronic diseases than patients living in better-off areas, a University of British Columbia study has found.

8 Jan 2009

Discovery of gene that increases susceptibility to Crohn's disease

Researchers at McGill University, the Research Institute of the McGill University Health Centre (RI MUHC) and the McGill University and Génome Québec Innovation Centre, along with colleagues at other Canadian and Belgian institutions, have discovered DNA variations in a gene that increases susceptibility to developing Crohn's disease.

8 Jan 2009

Maslinic acid from olive-skin pomace protects against colon cancer

Researchers from the University of Granada and the University of Barcelona have shown that treatment with maslinic acid, a triterpenoid compound isolated from olive-skin pomace, results in a significant inhibition of cell proliferation and causes apoptotic death in colon-cancer cells.

8 Jan 2009

New genetic markers for ulcerative colitis could lead to treatment

An international consortium of researchers, including major contribution from a team led by Dr. John D. Rioux, a professor of medicine at the Université de Montréal and the Montreal Heart Institute, has identified genetic markers associated with risk for ulcerative colitis.

8 Jan 2009

Estrogen plus progestin therapy may decrease risk of colorectal cancer

The combination of estrogen plus progestin, which women stopped taking in droves following the news that it may increase their risk of breast cancer, may decrease their risk of colorectal cancer, according to a report published in the January issue of Cancer Epidemiology, Biomarkers and Prevention , a journal of the American Association for Cancer Research.

8 Jan 2009