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Optical frequency-domain imaging provides 3-D view of human coronary arteries

For the first time researchers are getting a detailed look at the interior of human coronary arteries, using an optical imaging technique developed at the Wellman Center for Photomedicine at Massachusetts General Hospital (MGH).

17 Nov 2008

'Enlightened' atoms stage nano-riot againsts uniformity

When atoms in a crystal are struck by laser light, their electrons, excited by the light, typically begin moving back and forth together in a regular pattern, resembling nanoscale soldiers marching in a lockstep formation.

17 Nov 2008

COLD-FX remedy undergoes NCI-sponsored trial in leukemia patients

Cancer patients - with their weakened immune systems - are particularly vulnerable when the cold and flu season hits.

17 Nov 2008

Smoking linked to two forms of esophageal cancer and stomach cancer

Researchers who have been following the health of more than 120,000 residents of the Netherlands for more than two decades have found that smoking is associated with two forms of esophageal cancer as well as a form of stomach cancer, and that drinking alcohol is strongly linked to one form of esophageal cancer.

17 Nov 2008

Large analysis of granite countertops finds no health risks

The most comprehensive scientific study of health threats from granite countertops did not find a single stone slab that poses a health risk. Quantities of radon and radiation emitted by stones included in the analysis all fell well below average background levels commonly found in the United States.

17 Nov 2008

Saturated fats a possible risk factor for cancer of the small intestine

Findings published in the journal Cancer Research, a journal of the American Association for Cancer Research, identify dietary intake of saturated fats as a possible risk factor for cancer of the small intestine, advancing the understanding of cancer development in this and other areas of the digestive tract.

16 Nov 2008

Combination of carboplatin and paclitaxel with bevacizumab and cetuximab proves safe for lung cancer treatment

The four drug-combination of carboplatin and paclitaxel, with the targeted therapies bevacizumab (Avastin) and cetuximab (Erbitux), is safe and may improve survival for patients with advanced lung cancer, according to a cooperative group study led by The University of Texas M. D. Anderson Cancer Center.

16 Nov 2008

Plants shown to accumulate nanoparticles in tissues

Researchers at the University of Delaware have provided what is believed to be the first experimental evidence that plants can take up nanoparticles and accumulate them in their tissues.

12 Nov 2008

Promising clinical trial for patients with obsessive-compulsive disorder

Obsessive-compulsive disorder (OCD) affects 2% of the population and is considered a psychiatric disorder. It is the number four psychiatric pathology in terms of frequency following phobias, disorders relating to alcohol and drugs, and depression.

12 Nov 2008

Neuroprosthetic brain implants may help stroke patients overcome partial paralysis

Scientists have shown for the first time that neuroprosthetic brain implants may be able to help stroke patients with partial paralysis.

11 Nov 2008

New advances in diagnosis and treatment of allergic diseases

Researchers are presenting more than 450 abstracts on investigational findings in the diagnosis and treatment of allergic diseases at the ACAAI Annual Meeting in Seattle, Nov. 6-11. Following are highlights of some key studies in allergy-immunology.

11 Nov 2008

New analysis of the mechanisms that drive evolution in viruses and bacteria

It sounds like a science fiction movie: A killer contagion threatens the Earth, but scientists save the day with a designer drug that forces the virus to mutate itself out of existence.

11 Nov 2008

The smaller the mozzie the nastier the bite

Experts have found that the smaller the mosquito the more likely that it is infected with viruses which cause human diseases.

10 Nov 2008

Barriers to managing asthma

Barriers to managing asthma include access to appropriate care, patient adherence, distrust of the medical profession, delayed asthma diagnosis, culture, lifestyle choices and genetic discrepancies according to experts at the annual meeting of the American College of Allergy, Asthma and Immunology (ACAAI) in Seattle.

10 Nov 2008

Variations of MYH9 gene help explain high rate of kidney disease in African Americans

Several recent studies have suggested that common gene variations may be responsible for much of the elevated risk of kidney disease in African Americans.

8 Nov 2008

21 million Americans suffers arthritis pain

Approximately 21 million Americans - 9.5 percent of adults 18 and older - either visited or called a doctor for a prescription to reduce arthritis pain in 2005, according to the latest News and Numbers from the Agency for Healthcare Research and Quality.

6 Nov 2008

Safety and efficacy of febuxostat for gout examined

The goal in treating patients with gout is to reduce acute attacks by lowering serum urate levels, which are usually high in this disease.

5 Nov 2008

Women have a greater diversity of microbes on their palms than men

A new University of Colorado at Boulder study indicates that not only do human hands harbor far higher numbers of bacteria species than previously believed, women have a significantly greater diversity of microbes on their palms than men.

4 Nov 2008

Urgent need for research into medication overuse headaches

There is a critical need to review current treatment strategies for the increasingly common problem of medication overuse headaches (MOH), according to a series of international papers in the November issue of Cephalalgia.

4 Nov 2008

Watching lots of sexual content on TV linked to subsequent teen pregnancy

Adolescents who have high levels of exposure to television programs that contain sexual content are twice as likely to be involved in a pregnancy over the following three years as their peers who watch few such shows, according to a new RAND Corporation study.

4 Nov 2008