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PET confirmed as valuable cancer diagnostic and disease-staging tool

The recent release of data by the National Oncologic PET Registry (NOPR) showing that positron emission tomography (PET) produced scans revealing disease at a molecular level, which then caused physicians to change treatment plans for more than one-third of participating patients, has corroborated decades of nuclear medicine research.

28 Mar 2008

Partners can help or hinder attempts at changing diet

For people trying to make a change in their diet, significant others generally play a positive and supportive role, but sometimes respond in negative ways, according to a study in the March/April Journal of Nutrition Education and Behavior.

28 Mar 2008

New insights into anti-cancer effects of NSAIDs

Researchers at the National Sun Yat-Sen University and Kaohsiung Medical University, Kaohsiung, Taiwan have revealed a new mechanism by which nonsteroidal anti-inflammatory drugs (NSAIDs) attenuate tumor invasion and metastasis.

28 Mar 2008

New brain cells implicated in machinery of cannabinoid signaling

The researchers said their findings could aid in development of treatments for cannabinoid drug abuse. Also, because so-called "endocannabinoids" produced by brain cells are involved in the neural machinery of pain perception and learning and memory, the findings could help in understanding those processes, said the researchers.

28 Mar 2008

New Alzheimer's disease survey reveals children of sandwich caregivers assist with loved ones' care

Results from the third annual Alzheimer's Foundation of America (AFA) ICAN: Investigating Caregivers' Attitudes and Needs Survey suggest that Alzheimer's disease care is a family affair.

28 Mar 2008

Long-term use of mechanical ventilation contributes to the deterioration of human diaphragm muscle

A new study by University of Pennsylvania School of Medicine shows, for the first time in humans, that ventilators combined with diaphragm disuse contributes to muscle atrophy in the diaphragm in as little as eighteen hours.

28 Mar 2008

Potential new genetic markers for Crohn's disease

What is believed to be the largest study of its kind for the genetic roots of inflammatory bowel diseases has suggested new links to Crohn's Disease as well as further evidence that some people of Jewish descent are more likely to develop it.

28 Mar 2008

Key factor in brain development revealed, offers insight into lissencephaly

In the earliest days of brain development, the brain's first cells - neuroepithelial stem cells - divide continuously, producing a population of cells that eventually evolves into the various cells of the fully formed brain.

28 Mar 2008

Keeping in good shape in old age is harder for women

Women aged 65-plus find it harder than men of the same age to preserve muscle - which probably impacts on their ability to stay as strong and fit, according to new research.

28 Mar 2008

Study shows that a larger abdomen in midlife increases risk of dementia

People in their 40s with larger stomachs have a higher risk for dementia when they reach their 70s, according to a study published in the March 26, 2008, online issue of Neurology®, the medical journal of the American Academy of Neurology .

28 Mar 2008

International team of scientists discover clue to delay of life on Earth

Scientists from around the world have reconstructed changes in Earth's ancient ocean chemistry during a broad sweep of geological time, from about 2.5 to 0.5 billion years ago.

28 Mar 2008

Increasing access to antiretroviral drugs would drastically cut AIDS deaths in South Africa

More that 1.2 million deaths could be prevented in South Africa over the next five years by accelerating efforts to provide access to antiretroviral therapy (ART), according to a study released online today by the Journal of Infectious Diseases.

28 Mar 2008

Insulin-like growth factor found to have new role in development of brain's smell center

A human hormone known to stimulate the growth of cells throughout the body has a new role - helping to set up the proper nerve connections in the odor center of the brain, according to University of California, Berkeley, scientists.

28 Mar 2008

FDA issues Salmonella Litchfield alert for cantaloupe from Agropecuaria Montelibano

The U.S. Food and Drug Administration has issued an import alert regarding entry of cantaloupe from Agropecuaria Montelibano, a Honduran grower and packer, because, based on current information, fruit from this company appears to be associated with a Salmonella Litchfield outbreak in the United States and Canada.

28 Mar 2008

FDA makes recommendations on medical devices that treat blocked heart arteries

U.S. Food and Drug Administration Commissioner Andrew C. von Eschenbach has announced that the agency has issued draft guidelines to aid the development, testing and manufacture of coronary drug-eluting stents, devices used to treat blocked heart arteries.

28 Mar 2008

FDA deadlines may compromise drug safety by rushing approval

Many medications are approved by the U.S. Food and Drug Administration on the brink of congressionally mandated deadlines, and those drugs are more likely to face later regulatory intervention than those approved with greater deliberation, researchers at Harvard University have found.

28 Mar 2008

Environmental factors linked to development of autoimmune diseases

Scientists working at the MRC National Institute for Medical Research have shown that environmental factors can influence the development of autoimmune diseases like multiple sclerosis.

28 Mar 2008

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

Gambling addicts don't learn from their mistakes

Gambling addicts don't learn from their mistakes, according to a study published today in the open access journal Clinical Practice and Epidemiology in Mental Health.

28 Mar 2008