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How does a neighborhood influence physical activity and diet?

Families living in the Nellies Cave Park area near Virginia Tech are helping researchers learn about healthy lifestyles and in return are getting information about their own health.

7 Nov 2005

Howard Hughes Medical Institute researchers have deciphered code for motor neuron wiring

Howard Hughes Medical Institute (HHMI) researchers have deciphered a key part of the regulatory code that governs how motor neurons in the spinal cord connect to specific target muscles in the limbs.

7 Nov 2005

Scientists find new mechanism by which brain cells can be damaged during chronic neurodegenerative diseases

Scientists at the University of Rochester Medical Center have targeted a new culprit and method of attack on neurologic functions in diseases such as Alzheimer's and dementia associated with HIV.

7 Nov 2005

Unethical for doctors to withhold information from patients about new drugs

It is unethical and paternalistic for doctors to withhold information from patients about new drugs that are not yet publicly funded, say researchers in this week's British Medical Journal.

7 Nov 2005

New understanding of sphingosine kinases called SphK1 and SphK2

Virginia Commonwealth University Massey Cancer Center researchers have found that two enzymes that catalyze the same reaction and produce the same product have opposite effects on cell growth and death.

7 Nov 2005

First study to investigate regional low birth weight rates on a national scale

Low birth weight, an important risk factor of infant mortality and childhood developmental disorders, varies more than 3-fold in regions across the U.S., according to national research conducted at Dartmouth Medical School. The study offers promise for health care experts in an area of prenatal health where progress has been elusive.

7 Nov 2005

Only 10 percent of doctors have ever heard of fibrodysplasia ossificans progressiva

A new research study shows how common a medical misdiagnosis can be and how severely it can exacerbate a disease.

7 Nov 2005

Daily dose of probiotics keeps workers healthy

Workers who take probiotics daily are less likely to be off work with common illnesses, such as colds and gastroenteritis, than workers who don't.

7 Nov 2005

Mongolian birds provide Avian influenza virus samples

Avian influenza virus samples collected from wild birds in Mongolia by field veterinarians from the New York City-based Wildlife Conservation Society (WCS) have been selected by the World Health Organization to be part of a new human pandemic influenza vaccine currently in development.

7 Nov 2005

Unrelated adults, usually a male boyfriend, dramatically increase the risk of inflicted injury

Young children who live in households with one or more unrelated adults are nearly 50 times as likely to die from an inflicted injury, usually being shaken or struck, as children living with two biologic parents, report researchers from the University of Missouri-Columbia and the University of Chicago in the November 2005 issue of the journal Pediatrics.

7 Nov 2005

Novel technique to remove tumors from the cervical region of the spine

University of California - San Francisco (UCSF) surgeons are using a novel technique to remove tumors from the cervical region of the spine that were previously thought "inoperable."

7 Nov 2005

Gene silencing and microRNA discovery

One of the body's primary strategies for regulating its genome is a kind of targeted gene silencing orchestrated by small molecules called microRNAs, or miRNAs.

7 Nov 2005

Tryptophan metabolites play an important role in the immune system

Tryptophan is the source of Thanksgiving legend and grist for a "Seinfeld" episode, but it's not the chemical that you'd expect to find in Lawrence Steinman's lab.

7 Nov 2005

Smokeless tobacco products are not necessarily a safe alternative to smoking

According to the U.S. Centers for Disease Control and Prevention, nearly one-fourth of Americans are smokers. That's more than 60 million people who are at increased for lung cancer, the leading cause of cancer-related deaths nationwide.

3 Nov 2005

Young hockey player injuries studied - suprising findings

Unintentional collisions and falling into the boards cause more injuries in young hockey players than the practice of body checking, researchers at the University at Buffalo have found.

3 Nov 2005

Expert highlights public health problem posed by colorectal cancer

Colorectal cancer is a significant public health problem for which differing treatment regimes hold different benefits in associated efficacy, safety and tolerability, according to study findings showcased at the 13th European Cancer Conference (ECCO).

3 Nov 2005

Exercise is good for multiple sclerosis, but it must be done correctly

Aerobic exercise is thought to help persons with multiple sclerosis fight fatigue, the most common symptom of the disease. Yet MS also appears to cause the body to heat up more quickly, compromising the ability to exercise.

3 Nov 2005

Largest study to date on risk factors associated with primary biliary cirrhosis

A case-control study of more than 2000 people has identified a number of factors that may induce primary biliary cirrhosis (PBC) in genetically susceptible individuals. These include a history of urinary tract infections, hormone replacement therapy, tobacco use, and nail polish use.

3 Nov 2005

MRI measurements of scar tissue accurately predict the risk of arrhythmia-related sudden death

Using magnetic resonance imaging (MRI) scans of the heart wall, researchers at Johns Hopkins have found that people whose muscle wall thickness contained more than 25 percent scar tissue were approximately nine times more likely to test positive for a fast and dangerous heart rhythm known as ventricular arrhythmia.

3 Nov 2005

Clinicans warned about randomized clinical trials

A review article in the November 2 issue of JAMA: The Journal of the American Medical Association, suggests clinicians ought to view with skepticism the results of randomized clinical trials stopped early because of apparent benefit.

3 Nov 2005