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Smell experience during critical period alters brain

Unlike the circuitry of the visual system, that of the olfactory system was thought to be hardwired: Once the neurons had formed, no amount of sensory input could change their arrangement.

5 Dec 2007

Missing brain protein may be one of the culprits behind autism and other brain disorders

The protein helps synapses develop. Synapses--through which neurons communicate with one other-underlie our ability to learn and remember. Now Li-Huei Tsai, Picower Professor of Neuroscience at MIT, has uncovered an enzyme that is key to that protein's activity.

5 Dec 2007

Implanting embryonic cardiac cells prevents arrhythmias

When researchers at Cornell, the University of Bonn and the University of Pittsburgh transplanted living embryonic heart cells into cardiac tissue of mice that had suffered heart attacks, the mice became resistant to cardiac arrhythmias, thereby avoiding one of the most dangerous and fatal consequences of heart attacks.

5 Dec 2007

Stress-induced analgesia - new understanding

One way to alleviate the pain of banging your shin while on a hike is to encounter a grizzly bear - a well-known phenomenon called stress-induced analgesia.

5 Dec 2007

Cognitive 'fog' of normal aging linked to brain system disruption

Comparisons of the brains of young and old people have revealed that normal aging may cause cognitive decline due to deterioration of the connections among large-scale brain systems.

5 Dec 2007

Close families raise more independent adults

You're already 25 and you still live with your parents. You're 26 and you still bring your laundry take home food from your mother.

5 Dec 2007

Can fruit flies help treat stroke and transplant patients?

Reperfusion injury takes place when an animal or an organ is starved of oxygen, then exposed to oxygen again.

5 Dec 2007

New way to detect neuropathy

Scientists have demonstrated a new technique for detecting a painful nerve condition known as neuropathy, which affects millions of people with diabetes and many other patients as well.

5 Dec 2007

Honey a cheaper and more effective treatment for children's coughs than cough medicine

Experts in the United States say when it comes to children's coughs, natural honey offers a cheaper and more effective alternative to expensive over-the-counter cough medicines.

5 Dec 2007

Popular diabetes drug Avandia linked to osteoporosis

Anorexia begins in the womb

New research is suggesting that a male twin who shares the womb with a female twin is almost as likely as twin girls to be diagnosed with anorexia.

5 Dec 2007

Doctors in the U.S. slow to report an incompetent or unethical colleague

The results of a new survey of doctors in the States suggests that the majority of them, regardless of what they may say, are reluctant to report incompetent or unethical colleagues.

4 Dec 2007

University of Rhode Island, Pakistan researchers address growing tick problem

Researchers from the University of Rhode Island's Center for Vector-Borne Disease are teaming with colleagues from Pakistan to help the south Asian nation address its growing tick problem.

4 Dec 2007

Discovery of new marker to identify cancer stem cells

Researchers at the University of Michigan Comprehensive Cancer Center have found a marker that can be used to identify stem cells in breast tumors, suggesting a potential simple test that could help determine the best treatment for breast cancer.

4 Dec 2007

Scientists characterize Alzheimer's neurotoxin structure - potential new treatment approaches

Amyloid plaques, the hallmark of Alzheimer's disease, are clumps of fiber-like misfolded proteins which many experts think cause this devastating neurodegenerative disease.

4 Dec 2007

Honey before bedtime provides greatest relief from cough

A single dose of buckwheat honey before bedtime provided the greatest relief from cough and sleep difficulty compared with no treatment and an over-the-counter cough medicine in children with upper respiratory tract infections, according to a report in the December issue of Archives of Pediatrics & Adolescent Medicine, one of the JAMA/Archives journals.

4 Dec 2007

Researchers gain new understanding of the causes of dyslexia

Dyslexia marked by poor reading fluency - slow and choppy reading - may be caused by disorganized, meandering tracts of nerve fibers in the brain, according to researchers at Children's Hospital Boston and Beth Israel Deaconess Medical Center (BIDMC).

4 Dec 2007