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Pathological gambling, compulsive shopping, binge eating and other impulse control disorders appear to be more common among individuals taking dopamine agonist medications for Parkinson's disease, according to a report in the May issue of Archives of Neurology, one of the JAMA/Archives journals.

Among infants who undergo surgery to treat congenital cataract, surgical lens replacement appears to cause more complications while achieving the same treatment benefit as treatment with contact lenses, according to a report posted online today that will appear in the July print issue of Archives of Ophthalmology, one of the JAMA/Archives journals.

Montreal, May 10, 2010 – Restless legs syndrome, which causes an irresistible desire to move legs, appears to be a hereditary condition that's more prominent among French Canadian women and may be caused by a combination of genetic influences and environmental effects. According to a large-scale study published in the Archives of Neurology, siblings of people affected by restless legs syndrome are three and a half times more likely to develop the disease.

COLUMBUS, Ohio – A tiny gene mutation in human liver cells could one day influence how high or low a dose patients need of about half of the clinically used drugs on the market, new research suggests.

Scientists at Ohio State University and their colleagues have identified this mutation, and have shown that it alters the level of a protein in the liver responsible for processing between 45 percent and 60 percent of medications used to treat a wide range of conditions.

A new paper by a team of researchers led by University of Notre Dame biologist Jeffrey Feder could herald an important shift in thinking about the genomics of speciation.

Titled "Widespread genomic divergence during sympatric speciation," the paper appears in today's edition of the Proceedings of the National Academy of Sciences.

Researchers offer first proof that chemicals from seaweeds damage coral on contact

Field studies have shown for the first time that several common species of seaweeds in both the Pacific and Caribbean Oceans can kill corals upon contact using chemical means.

 How cancer cells lose their rhythm - Circadian rhythm, that is

Immortality and uncontrolled cell division are the fundamental differences between cancer cells and normal cells.

A widely held explanation for these differences is that the biological clocks in cancer cells are damaged and can't regulate cell division in the fashion that they do in normal cells.

A 150-million-year old 'Dinobird' fossil, long thought to contain nothing but fossilized bone and rock, has been hiding remnants of the animal's original chemistry, according to new research.

The sensational discovery by an international team of palaeontologists, geochemists and physicists was made after carrying out state-of-the art analysis of one the world's most important fossils - the half-dinosaur/half-bird species called Archaeopteryx.

An Arizona State University graduate student, Jinglin Fu, in collaboration with Biodesign Institute researchers Neal Woodbury and Stephen Albert Johnston, has pioneered a technique that improves on scientists' ability to harness and modulate enzyme activity.

The new approach, reported in the Journal of the American Chemical Society (published recently online), could have wide applicability for designing a range of industrial catalysts, health care diagnostics and therapies centered on understanding the control of enzymatic activity.

The availability of more affordable drugs, vaccines and diagnostics that would help countless people worldwide is the foremost benefit expected from a growing number of collaborations between biotech firms in developing countries, according to a study to be published Mon. May 12 in the UK journal Nature Biotechnology.

Even healthy pregnant women can be at risk for pregnancy problems caused by oral bacteria. Researchers from Case Western Reserve University began to understand which bacteria from the 700 species living in the mouth are responsible for the growing health problem of preterm and stillbirths.

Widespread use of the Canadian C-spine rule by triage nurses in emergency departments would ease discomfort of trauma patients and improve patient flow in overcrowded emergency departments in Canada and abroad, according to a study (pre-embargo link only) http://www.cmaj.ca/embargo/cmaj091430.pdf in CMAJ (Canadian Medical Association Journal) www.cmaj.ca.

Mutations that cause Parkinson's disease prevent cells from destroying defective mitochondria

Mutations that cause Parkinson's disease prevent cells from destroying defective mitochondria, according to a study published online May 10 in the Journal of Cell Biology (www.jcb.org).