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Dental chair a possible source of neurotoxic mercury waste

Mercury is a large component of dental fillings, but it is not believed to pose immediate health risks in that form.

28 Mar 2008

Calcium deposits in coronary arteries provide a strong predictor for possible future heart problems

Calcium deposits in coronary arteries provide a strong predictor for possible future heart attacks and cardiac diseases, and detecting such deposits can be valuable for promoting overall cardiac health, according to a study led by the University of California, Irvine and appearing in the March 28 issue of the New England Journal of Medicine.

28 Mar 2008

Brain scientist shedding light on learning, memory

Neurons spoke to Dr. Joe Z. Tsien when he was a sophomore college student searching for some meaningful extracurricular activity.

28 Mar 2008

Beetle genome opens the door to developmental research

The whole DNA sequence of the red flour beetle, familiar to many as an unwelcome visitor to the kitchen flour jar, has been published in Nature .

28 Mar 2008

New method of filming blood-vessel cells

A new method of filming blood-vessel cells that move in accordance with targeted signals has been developed by researchers at Uppsala University in collaboration with researchers at the University of California.

28 Mar 2008

Pectin-rich apple products shown to have anticarcinogenic effects on colon

The apples and apple juice you consume may have positive effects in one of the most unlikely places in the body – in the colon.

28 Mar 2008

New nanoparticles for targeting tumors

As a wide variety of nanoparticles continue to demonstrate their ability to improve the delivery of imaging agents and drugs to tumors, nanoparticle researchers have turned their attention to the challenge of systematically determining how a given nanoparticle’s physical and chemical characteristics affect its ability to target tumors. Such data could provide drug developers with guidelines to help them select the most effective type of nanoparticle for a given therapeutic or imaging application.

28 Mar 2008

Astrotechnology brings nanoparticle probes into sharper focus

While pondering the challenges of distinguishing one nanosize probe image from another in a mass of hundreds or thousands of nanoprobes, two investigators at Emory University and the Georgia Institute of Technology made an interesting observation. The tiny, clustered dots of light looked a lot like a starry sky on a clear night.

27 Mar 2008

Study shows use of asthma medication contradicts guidelines

A study has found only 16 per cent of the 352,082 Australians who filled a prescription for asthma preventer medications for the first time during the period July 2004 to June 2005, went on to use them regularly.

27 Mar 2008

Youth's social problems contribute to anxiety and depression

Socially successful children tend to have fewer symptoms of anxiety or depression, while children with problems such as anxiety and depression tend to have difficulties forming relationships and being accepted by friends.

26 Mar 2008

Softening of the skull bones in normal-looking babies might reflect vitamin D deficiency during pregnancy

Softening of the skull bones in normal-looking babies might reflect vitamin D deficiency during pregnancy, according to a new study accepted for publication in the Journal of Clinical Endocrinology & Metabolism (JCEM).

26 Mar 2008

Targeting aggressive breast cancers by putting them to sleep

It is well established that Id1, a gene normally produced only in embryonic development, is reactivated in many 'solid' cancers, or carcinomas.

26 Mar 2008

Study links chronic illness to coal-mining pollution

Pollution from coal mining may have a negative impact on public health in mining communities, according to data analyzed in a West Virginia University research study.

26 Mar 2008

Study examines association between type of genetic characteristics and cancer

Persons with a certain type of homozygosity (having two identical copies of the same gene, one inherited from each parent), may have a greater predisposition to cancer, according to a study in the March 26 issue of JAMA.

26 Mar 2008

Spit in a cup to replace needle pricks

One day soon patients may spit in a cup, instead of bracing for a needle prick, when being tested for cancer, heart disease or diabetes.

26 Mar 2008

First comprehensive database of microorganisms known to live in the mouth

Scientists know more today than ever before about the microbes that inhabit our mouths.

26 Mar 2008

Review of group-based cancer trials reveals flaws in studies' design and analysis

A new study reviewing 75 group-randomized cancer trials over a five-year stretch shows that fewer than half of those studies used appropriate statistical methods to analyze the results.

26 Mar 2008

Wistar Institute shares cell lines

Cell lines developed by scientists at The Wistar Institute in Philadelphia have recently been made available to researchers around the globe through the catalog collection at the Coriell Institute for Medical Research of Camden, N.J.

26 Mar 2008

Radiologists use special MRI to identify brain cancer early

A special type of magnetic resonance imaging (MRI) can depict changes in blood volume in the brain that often precede cancerous transformation of brain tumors, according to a new study published in the April issue of the journal Radiology.

26 Mar 2008

Preterm birth associated with diminished long-term survival, reproduction

An analysis of births in Norway found that persons born preterm had an increased risk of death throughout childhood and lower rates of reproduction in adulthood, compared to persons born at term, according to a study in the March 26 issue of JAMA.

26 Mar 2008