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Channeling through plasma to accelerate bright beams for science and medicine

Researchers at Lawrence Berkeley National Laboratory have produced high quality electron beams in an accelerating structure of only a few millimeters long.

4 Nov 2004

Body's 'internal marijuana': A new target for treatment of schizophrenia, Parkinson's?

“Endocannabinoids” is an impressive word that sounds like the name for a group of tribal warriors or an ancient people. Actually, it is the scientific term for beneficial molecules produced in the brain that act as “a sort of internal marijuana in our system

4 Nov 2004

Vaccine contributions to health highlighted at PAHO meeting

Vaccine programs in the Americas have made major contributions to improving health in the Americas and new vaccines could go even further, said Dr. D.A. Henderson, a global expert who chairs a Pan American Health Organization (PAHO) technical group here today.

4 Nov 2004

African American HIV patients treated by white doctors receive life-saving HIV medication later than those who have an African American doctor

"Does Racial Concordance Between HIV-Positive Patients and Their Physicians Affect the Time to Receipt of Protease Inhibitors?" is published in the November issue of the Journal of General Internal Medicine.

4 Nov 2004

alpha4 may prove to be useful target for smoking addiction therapies

Nicotine is responsible for more than four million smoking-related deaths each year. Yet people still smoke. Why? One reason is the stranglehold of addiction, started when nicotine enhances the release of a neurotransmitter called dopamine

4 Nov 2004

Hong Kong reports case of H5N1 in dead bird

The Hong Kong Agriculture, Fisheries and Conservation Department (AFCD) has confirmed that a dead Grey Heron found in Lok Ma Chau area was tested positive for H5N1 virus.

4 Nov 2004

The first test in humans of a bioartificial kidney

The first test in humans of a bioartificial kidney offers hope of the device's potential to save the lives of people with acute renal failure, researchers at the University of Michigan Health System report.

4 Nov 2004

Older people are healthier and are living longer

Older people are healthier and more active than ever; They are more likely to stop smoking and to take advantage of health screening and immunisation; Services for older people are improving.

4 Nov 2004

Cellular vehicle delivers drugs directly into cancer cells

Researchers at The University of Texas M. D. Anderson Cancer Center have perfected a delivery system for anticancer treatment that zeroes in on a tumor and becomes part of its supporting tissue.

4 Nov 2004

Trial of new type of drug that attacks amyloid

Neuroscientists at the Farber Institute for Neurosciences at Thomas Jefferson University in Philadelphia will begin a clinical trial testing a new type of drug that attacks amyloid, the protein substance that accumulates in the brains of Alzheimer’s disease patients.

4 Nov 2004

New understanding of the role viruses play in the development of autoimmune diseases

Researchers at the La Jolla Institute for Allergy & Immunology have added a significant milestone to scientific understanding of the role viruses play in the development of autoimmune diseases, such as diabetes.

4 Nov 2004

Ecstasy use down among America's youth

The Substance Abuse and Mental Health Services Administration's (SAMHSA's) just-released 2003 National Survey on Drug Use and Health (NSDUH) reports the number of current ecstasy users decreased between 2002 and 2003, from 676,000 (0.3 percent) to 470,000 (0.2 percent).

4 Nov 2004

Discovery of internal molecular clock that governs the metabolism of sugars and fats within the body

Researchers at the University of Pennsylvania School of Medicine have discovered that components of the internal molecular clock of mammals have an important role in governing the metabolism of sugars and fats within the body.

4 Nov 2004

Pfizer licenses drug from University of Rochester for treatment of hot flashes

The University of Rochester has signed a license agreement with Pfizer which will allow Pfizer to market a specific class of non-hormonal drugs for the treatment of hot flashes associated with menopause.

4 Nov 2004

Quitting smoking can be made easier with long-term comprehensive drug and psychological interventions

People who want to quit smoking have an improved chance of success if they receive long-term comprehensive drug and psychological interventions, according to a new study by UCSF researchers.

4 Nov 2004

Crystal structure of protein AIRs kinase uncovered

Cornell University researchers, who are trying to understand how proteins evolve and function by looking at their structural features, have uncovered the crystal structure of a protein involved in making the building blocks of DNA correctly.

4 Nov 2004

Sensor protein that identifies DNA breaks and activates the p53 cell-death program has been identified

DNA breaks from radiation, toxic chemicals, or other environmental causes occur routinely in cells and, unless promptly and properly repaired, can lead to cancer-causing mutations.

4 Nov 2004

Treatment to control gastroesophageal reflux disease in children found to be ineffective

According to a study published in the American Gastroenterological Association (AGA) journal Clinical Gastroenterology and Hepatology, more than 60 percent of the children who received surgical fundoplication to control gastroesophageal reflux disease (GERD) had recurring symptoms of the disease months following surgery.

4 Nov 2004

STAT3 protein could lead to new ways to prevent skin cancer

Scientists at The University of Texas M. D. Anderson Cancer Center have identified a protein that serves as a master regulator of skin cancer - a finding that could lead to new ways to prevent skin cancer before it starts.

4 Nov 2004

Sperm cells grown in laboratory culture

A team of researchers working with cells from mice has overcome a technical barrier and succeeded in growing sperm progenitor cells in laboratory culture.

4 Nov 2004