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Fee-for-service associated with a significantly higher rate of cataract surgery

A system in which physicians are reimbursed for each procedure they perform (fee-for-service) is associated with a significantly higher rate of cataract surgery and related surgical costs, compared to a system in which physicians receive a lump sum for each patient they manage (contact capitation), according to a study in the December issue of Archives of Ophthalmology.

13 Dec 2005

Surprising autism finding

New brain imaging research at the University of North Carolina at Chapel Hill indicates that when people with autism look at a face, activity in the brain area that responds is similar to that of people without autism.

13 Dec 2005

Brain enlargement may indicate autism

Magnetic resonance imaging (MRI) has found evidence of brain enlargement in a relatively large sample of children with autism, compared with children who do not have the disorder, according to a study in the December issue of Archives of General Psychiatry.

13 Dec 2005

$Bone quality regulator identified - possible target for preventing and treating bone fractures$

Bone quality regulator identified - possible target for preventing and treating bone fractures

University of California - San Francisco (UCSF) scientists have determined that the quality of bone matrix, a key component of bone, is regulated by a molecule known as transforming growth factor beta.

13 Dec 2005

Streptococcus mutans copes without pathway

Leave it to the bacteria that cause tooth decay to be able to live without something all cells were thought to require.

13 Dec 2005

Iodine intake may play a part in teen-age acne

Dermatologists seem to agree that something in milk and dairy products may be linked to teen-age acne.

13 Dec 2005

Adult children can be clueless regarding their parents wishes and desires later in life

A psychologist at Washington University in St. Louis is conducting research that shows two adult siblings may have radically different views on what their parents would want. In fact, he says that a random stranger might have the same chance at guessing parental wishes as some children would.

13 Dec 2005

A colonization factor links Vibrio cholerae environmental survival and human infection

Opening a new door to an effective vaccine and therapy for a disease that strikes thousands annually, researchers at Dartmouth Medical School discovered that the bacteria that causes the intestinal disease Cholera spreads in the environment in much the same way it infects humans.

13 Dec 2005

Stress increases alcoholism

A number of sociocultural studies indicate that stress may increase the risk of alcoholism. In other words, an individual's ability to cope with stressful situations may indicate his or her vulnerability to alcoholism.

13 Dec 2005

Testosterone replacement therapy shows promise for Alzheimer sufferers

The first study of the effects of testosterone on mood, behavior and psychological health in men with mild Alzheimer disease finds significant improvements in quality of life, as assessed by caregivers.

13 Dec 2005

AMN107 drug shows promise in leukemia resistance to Gleevec

The targeted agent AMN107 can produce dramatic benefits in patients with some forms of leukemia that are resistant to Gleevec, the standard therapy for these cancers, say researchers at The University of Texas M. D. Anderson Cancer Center.

13 Dec 2005

Anti-Abeta42 and Anti-Abeta40–specific monoclonal antibodies attenuate amyloid deposition in an Alzheimer disease mouse model

Current hypotheses suggest that it is the accumulation over time of amyloid beta peptide 1–42 (Abeta42) that triggers changes in the brain that lead to cognitive dysfunction in Alzheimer's disease.

13 Dec 2005

Securin is not required for chromosomal stability in human cells

A critical aspect of cell division, or mitosis, is that the progeny cells must receive the full complement of chromosomes.

13 Dec 2005

Perimenopause critical for preventing heart disease and osteoporosis

Research in monkeys suggests that the perimenopause - the five to 10 years before a woman's menopause - is a critical time for preventing heart disease and osteoporosis.

13 Dec 2005

Benefits of aspirin for postmenopausal women

Aspirin can significantly reduce death rates for postmenopausal women with cardiovascular disease (CVD), researchers reported at the American Heart Association's Scientific Sessions 2005.

13 Dec 2005

Retinal imaging technology helps heart

Routine visits to an Optometrist may soon provide us with diagnosis of vision complications and screening for cardiovascular disease.

13 Dec 2005

Researchers learn to detect DNA mutations

A team of ASU researchers led by Nongjian Tao and Peiming Zhang has developed a new, breakthrough technique for the detection of DNA mutations.

13 Dec 2005

Antibacterial coatings on hip and knee implants cut infection rates

Putting antibacterial coatings on hip and knee implants and biomedical devices such as catheters could cut infection rates following surgery and significantly reduce health care costs and improve quality of life for patients, researchers at the University of South Australia have found.

13 Dec 2005

New treatment for chronic Immune Thrombocytopenic Purpura

Data from a Phase II study of eltrombopag, an oral investigational drug that increases the production of platelets, demonstrate that the compound was effective in increasing platelet counts in patients with chronic Immune Thrombocytopenic Purpura (ITP), a disorder characterized by episodes of frequent spontaneous bruising, mucosal bleeding, and in severe cases intracranial hemorrhage, and acute episodes of severe bleeding.

12 Dec 2005