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Researchers identify gene-regulating protein in the brain that triggers ability to cope with

Researchers have identified a gene-regulating protein in the brains of mice that triggers the animals' ability to cope with the "behavioral despair" caused by inescapable stress.

19 Jul 2007

Plumber protein uses different tools to turn on genes

St. Jude investigators have discovered how a single molecular "on switch" triggers gene activity that might cause effects ranging from learning and memory capabilities to glucose production in the liver.

18 Jul 2007

Potential dangers of Ritalin

Use of the attention deficit/hyperactivity disorder (ADHD) drug Ritalin by young children may cause long-term changes in the developing brain, suggests a new study of very young rats by a research team at Weill Cornell Medical College in New York City.

18 Jul 2007

Preconditioning protects brain from stroke

Challenging brain tissue with a small noxious stimulus beforehand gives it a resilience that can lessen damage to blood vessels during a stroke, report researchers at Weill Cornell Medical College in New York City.

18 Jul 2007

Cancer survivors share their advice in new book

Few chemotherapy patients would think to decorate their bald heads with stickers of bowling balls, or of bunny rabbits saying, "Wish you were hare."

18 Jul 2007

Study reveals surge in male-factor infertility technique

A national study reveals that the use of intracytoplasmic sperm injection or ICSI -- an assisted reproductive technology used to treat male-factor infertility -- has increased dramatically in the United States since 1995, while the proportion of patients receiving treatment for male-factor infertility has remained stable.

18 Jul 2007

Vitamin C for treating the common cold

Unless you run marathons, you probably won't get much protection from common colds by taking a daily supplemental dose of vitamin C, according to an updated review of 30 studies.

18 Jul 2007

Study to evaluate lithium for the treatment of bipolar disorder

Researchers at the University of Illinois at Chicago are participating in a national study to evaluate lithium for the treatment of bipolar disorder in children and adolescents.

18 Jul 2007

University of Hertfordshire improves care offered to women and their babies

A course which will train maternity care professionals to deal with emergency situations will be run at the University of Hertfordshire and ALSO next week.

18 Jul 2007

Does culture influence the brain?

The infamous and ubiquitous middle finger salute forwell, you know. Such gestures that convey meaning without speech are used and recognized by nearly everyone in our society, but to someone from a foreign country, they may be incomprehensible.

18 Jul 2007

Research on proteases and pathological processes

A research group of the UAB Institute of Biotechnology and Biomedicine and the UAB Department of Biochemistry and Molecular Biology, directed by Francesc Xavier Aviles, is the coordinator of a European project aimed at studying proteases with fluorescent molecules that allow their monitoring in healthy and pathological situations.

18 Jul 2007

Genetic variation linked to premenstrual depression

A specific genetic variation may be tied to an increased risk for severe premenstrual depression, scientists at the University of North Carolina at Chapel Hill and the National Institute of Mental Health have found.

18 Jul 2007

Stroke in nonvascular atrial fibrillation

People with atrial fibrillation (AF) have irregular heart beats and have a tendency to form blood clots in the upper chambers (atria) of their hearts.

18 Jul 2007

Cancer risk from radiation during cardiac CT scans studied

An analysis based on computerized simulation models suggests that the lifetime risk of cancer associated with radiation exposure from a computed tomography (CT scan) coronary angiography varies widely, with the risk greater for women and younger patients, according to a study in the July 18 issue of JAMA .

18 Jul 2007

Wearable cardiac telemedicine system

A Bluetooth heart monitor could text your local hospital if you are about to have a heart attack, according to research published today in Inderscience's International Journal of Electronic Healthcare.

18 Jul 2007

Suped-up computed tomography scanners

By borrowing techniques used in telecommunications technology, computed tomography (CT) scanners may eventually see data collection speeds increase by hundreds of times, leading to better images, faster imaging procedures, and potentially lower x-ray exposures.

18 Jul 2007