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Genetic differences may explain why many Asian women who never smoked develop lung cancer

Analysis of three genetic mechanisms that cause non-small cell lung cancer might explain why East Asians respond better than other ethnic groups to a certain type of chemotherapy, a team led by UT Southwestern Medical Center researchers has found.

27 Apr 2007

Digesting protein may be a hidden problem for some

Protein metabolism presents some serious waste management challenges for the body.

27 Apr 2007

Under the microscope...doctors' relationships with drug companies

According to a recent survey almost all doctors in the U.S. have some form of relationship with drug companies.

26 Apr 2007

Physician ties to drug industry stronger than ever

Despite the potential for conflict of interest, virtually all practicing physicians in the U.S. have some form of relationship with pharmaceutical manufacturers but the nature and extent of those relationships vary, depending on the kind of practice, medical specialty, patient mix, and professional activities, reports a study in the April 26 issue of the New England Journal of Medicine.

26 Apr 2007

Teaching about evolution in a biomedical context

Three of America's best known voices in the debate about evolution in the teaching of science will meet to discuss the issue on Sunday, April 29, 2007 in Washington, DC.

26 Apr 2007

Difficult to distinguish bipolar symptoms in children

At least one-third of the time, the symptoms of bipolar disorder first appear in childhood or adolescence.

26 Apr 2007

Important step towards a spatially and temporally quantifiable model of the cell

Cell membranes are like two-dimensional fluids whose molecules are distributed evenly through lateral diffusion.

26 Apr 2007

Rational development of adjuvants for use in vaccination

A recent study published in Immunology Letters, the official journal of the European Federation of Immunological Societies (EFIS), describes strategies for selective priming of B cells using various adjuvants.

25 Apr 2007

Sleep protects memories

Sleep not only protects memories from outside interferences, but also helps strengthen them, according to research that will be presented at the American Academy of Neurology's 59th Annual Meeting in Boston, April 28 , May 5, 2007.

25 Apr 2007

New data supports safety of ranolazine but not its effectiveness

The anti-anginal medication ranolazine was shown to be safe in regard to certain outcomes but did not reduce the risk of major cardiovascular events such as death, heart attack or recurrent ischemia following acute coronary syndromes, according to a study in the April 25 issue of JAMA .

25 Apr 2007

HIV linked to increased risk of heart attack

Researchers from Massachusetts General Hospital (MGH) have found that infection with HIV, the virus that causes AIDS, is also associated with increased risk of myocardial infarction or heart attack.

25 Apr 2007

Ranolazine safe but not effective in reducing major cardiac events in ACS patients

25 Apr 2007

Why yearly checkups are important for women

Even women who are healthy need regular preventive services like breast exams, Pap tests, immunizations, and (starting at age 50) fecal occult blood testing, along with periodic measurements of weight, height, and blood pressure.

25 Apr 2007

Muscle restoration in an animal model of Duchenne muscular dystrophy

Using a new type of drug that targets a specific genetic defect, researchers at the University of Pennsylvania School of Medicine, along with colleagues at PTC Therapeutics Inc. and the University of Massachusetts Medical School, have for the first time demonstrated restoration of muscle function in a mouse model of Duchenne's muscular dystrophy (DMD).

24 Apr 2007

Neither induced abortion nor miscarriage associated with breast cancer risk in premenopausal women

Neither induced abortion nor spontaneous abortion (miscarriage) appears to be associated with breast cancer risk in premenopausal women, according to a report in the April 23 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

24 Apr 2007

Migraine associated with increased risk of subsequent major cardiovascular disease in men

Men with migraine headaches may be at an increased risk for major cardiovascular disease and especially heart attacks, according to a report in the April 23 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

24 Apr 2007

Low vitamin D levels linked to poor physical performance in older adults

Older adults who don't get enough vitamin D - either from their diets or exposure to the sun - may be at increased risk for poor physical performance and disability, according to new research from Wake Forest University School of Medicine and colleagues.

24 Apr 2007