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Inorganic mercury, which was previously thought to be a less harmful form of the toxic metal, is very damaging to key cell processes, new research demonstrates.

Those who commute home after working the night shift may be at high risk for drowsy driving crashes because of disruption to their sleep-wake cycles and insufficient sleep during the night

Although medical science has long regarded sudden cardiac arrest as a deadly condition that strikes without warning, a new study shows for the first time that many patients experience warning symptoms up to a month before having a cardiac arrest.

After observing that some gastrointestinal disease in premature human and mouse infants progresses only when certain immune system white blood cells go into inflammatory overdrive, researchers have found that giving large doses of vitamin A to mice converts those blood cells into inflammation…

Family-level preventive intervention can lead to improved behavioral health outcomes for military families affected by wartime deployment, a new study reports. Results highlight significant reductions in anxiety and depression symptoms among deployed parent, home-based parent and their children…

Researchers have quantified one of the most important and hard-to-measure phenomena in molecular evolution: the effect of genetic recombination on a species' capacity of adaptation.

Long-term analysis shows cost-effectiveness of WATCHMAN left atrial appendage closure device over warfarin and NOACs in reducing stroke risk in non-valvular atrial fibrillation patients.

Workforce homogeneity limits creativity, discovery, and job satisfaction; nonetheless, eighty-one percent of US science, technology, engineering, and math (STEM) university faculty members are men. The relative dearth of women in the field is a long-recognized problem -- but it's one that may be on…

A research team has leveraged its organ-on-a-chip technology to develop a model of the human small airway in which lung inflammatory diseases, such as chronic obstructive pulmonary disease (COPD), the third leading cause of mortality worldwide, and asthma can be studied outside the human body.

For women with low-risk pregnancies who plan to give birth at home with the help of a midwife, there is no increased risk of harm to the baby, compared with a planned hospital visit, according to new research in Canadian Medical Association Journal.

Wearable activity trackers that promise to monitor physical activity, sleep and more are becoming increasingly popular with health-conscious consumers. A recent study has found that the trackers are better at measuring some metrics than others.

A drug that boosts activity in the brain's "garbage disposal" system can decrease levels of toxic proteins associated with Alzheimer's disease and other neurodegenerative disorders and improve cognition in mice, a new study by neuroscientists has found.

Building upon previous research, scientists report that a protein called Wnt5a acts on a pair of tumor-surface proteins, called ROR1 and ROR2, to accelerate the proliferation and spread of chronic lymphocytic leukemia cells, the most common form of blood cancer in adults.

Patients who have had a stroke in the back of the brain are at greater risk of having another within two years if blood flow to the region is diminished, according to results of a multicenter study.

Use of NSAIDs vs opiates resulted in no significant difference in measures of pain but was associated with more rescue medication (additional medicine needed due to uncontrolled pain) among patients with malignant pleural effusions (excess fluid accumulates around the lungs that is a complication…

Compared with receiving chemotherapy alone, women with breast cancer who also received the hormonal drug triptorelin to achieve ovarian suppression had a higher long-term probability of ovarian function recovery, without a statistically significant difference in pregnancy rate or disease-free…

As the 25-year period for the UN Millennium Development Goals concludes on Dec. 31, 2015, to be replaced by the Sustainable Development Goals, a deeper analysis of factors outside defined goals is necessary to learn why some countries failed, say experts.

Inside the brain, a protein called YAP, best known for its ability to help right-size our developing hearts and livers, appears to have the different but equally important task of helping control inflammation, say researchers.

Rational use of medicines remains to be one of the most challenging problems in health systems worldwide. Now researchers have conducted a practical study to assess the impact of introducing evidence-based principles to the practice of medicine procurement in order to manage budget expenditures on…

We learn many things through imitation: how to walk, play an instument, sports, and more. What are the processes in the brain responsible for imitation? For some years now, science has been examining the role of mirror neurons, but there is still much to understand, report experts.

The FDA recently proposed a ban on tanning bed use by those under 18. Now a behavioral scientist, whose research aims to understand why young people frequently engage in indoor tanning, shares some insight into the topic.

Low levels of vitamin D have long been identified as an unwanted hallmark of weight loss surgery, but new findings from a study of more than 930,000 patient records add to evidence that seasonal sun exposure -- a key factor in the body's natural ability to make the "sunshine vitamin" -- plays a…

International trade and travel has literally opened up new vistas for humans, ranging from travel to exotic places to enjoying the products and services of those distant lands. But along with international trade and travel comes the risk of spreading infectious diseases, a growing problem in…

The manufacturer dossier contained no suitable data for hypercholesterolaemia or for mixed dyslipidaemia, say reviewers, adding that the same applies to the hereditary homozygous form of hypercholesterolaemia.

Some consumers have an unerring knack for buying unpopular products. Amazingly, the same group of consumers has an outsized tendency to purchase all kinds of failed products, time after time, flop after flop. The study calls the people in this group "harbingers of failure" and suggests they provide…

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