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Three months before the opening of the Rio de Janeiro Summer Olympics, a group of researchers used a mathematical model to calculate the risk of dengue acquisition by the 400,000-odd foreign visitors expected to attend. This model was used with success during the last FIFA World Cup, in 2014. Once…

A link between levels of the stress hormone cortisol and psychosis has been discovered by researchers, which could help identify people at greatest risk of developing the severe mental disorder.

If you work in a hospital these days, you've probably gotten the invitation: Take a survey about how well you, your team and your hospital do at protecting patients from harm, and how empowered you feel to do the right thing. But a new study questions whether such surveys actually measure how well…

26 percent of a survey of adult cancer patients reported they paid more for medical care than they could afford, a new report outlines. Those patients also reported missing appointments and prescriptions because of affordability issues.

Delivering genetic test results to patients at risk for cancer-causing genetic mutations over the phone helps to ease cost and transportation burdens and, compared to receiving results in person, does not cause patients additional stress, according to a new study.

Further advantages of the drug Cobimetinib in comparison with the comparator therapy resulted from the analyses subsequently submitted by the drug manufacturer in the commenting procedure.

Researchers have conducted a study of structural mechanisms of an antigen recognition and interaction of anti-DNA antibodies which provides a basis for understanding the role of DNA-containing immune complexes in human pathologies and for new treatments.

Intestinal stem cells are located in 'pockets' in the intestine to avoid contact with a prominent metabolite produced by beneficial microbes living in the gut, new research indicates. That metabolite -- butyrate -- restricts the proliferation of stem cells, potentially hampering the intestine from…

Fish that are bred to be bolder or more shy show corresponding changes to their body shape and locomotion, suggesting that personality changes affect other seemingly unrelated traits. The findings could be useful in animal breeding, pest management and studies of complex human behaviors.

Scientists have used X-rays to understand how the therapeutic antibody eculizumab prevents our immune system from destroying red blood cells and damaging kidney tissue.

New research has revealed the mechanisms of persistent latent infection of the human T-cell leukemia virus type 1 (HTLV-1). This is an important achievement that may contribute to the prevention of refractory leukemia, a form of leukemia in which leukemic cells do not respond well to treatment.

Bosses play no role in fostering a sense of meaningfulness at work -- but they do have the capacity to destroy it and should stay out of the way, new research shows.

Today we are releasing NCCIH's fourth strategic plan, Exploring the Science of Complementary and Integrative Health. Our plan outlines the Center's strategic direction in complementary and integrative health research. It identifies three core scientific objectives: * Fundamental Science and…

Scientists have found unique genetic alterations that could indicate whether expensive immune checkpoint inhibitors would be effective for a particular patient. Their study reports that genetic alterations affecting a part of the PD-L1 gene increases the production of the protein, allowing cancer…

In a study using tadpoles, neuroscientists tracked how the brain develops its sense of whether two sensory inputs -- for example, vision and touch -- happened at the same time.

Small molecules called tRNA, whose job is to help translate genes into proteins, are not usually considered important for understanding the causes of disease. But a new study shows that fluctuations in some tRNAs may in fact influence the progression of breast cancer.

The results of an exploratory clinical trial indicate that a wearable artificial kidney could be developed as a viable, new dialysis technology. Some redesigns would be required to overcome device-related, technical problems observed during the testing. The technology is being developed as an…

More than a year after leaving the hospital without a human heart, Stan Larkin, 25, trades his wearable total artificial heart for a real one. The surgery was a unique national triumph in efforts to replace the failing heart as heart disease grows and donor hearts remain scarce.

Persons with marked psychopathy are considered callous, cold, unrepentant, dishonest, and impulsive. At work, therefore, they can endanger the success of their entire team – at least that is the popular conception. But some people with psychopathic traits can also be different, research shows,…

A team of researchers has identified an enzyme that separates DNA replication from repair. This discovery could be of tremendous significance in the treatment of tumors.

Testing for metabolic changes in the blood could indicate whether a cancer drug is working as designed, a new study reports. This new way of monitoring cancer therapy could speed up the development of new targeted drugs -- which exploit specific genetic weaknesses in cancer cells -- and help in…

Eating walnuts may change gut bacteria in a way that suppresses colon cancer, researchers report. A team of researchers found that mice that ate 7-10.5 percent of their total calories as walnuts developed fewer colon cancers. The effect was most pronounced in male mice, which had 2.3 times fewer…

A study of almost 49,000 obese patients shows that those who do not have obesity surgery are much more likely to die from any cause than those who do have surgery, after an average of five year's follow-up.

Compared to other mammals, humans have the largest cerebral cortex. A sheet of brain cells that folds in on itself multiple times in order to fit inside the skull, the cortex is the seat of higher functions. It is what enables us to process everything we see and hear and think.

Visual blurring -- like that produced by bifocals or multifocal lenses -- may cause errors in foot position when walking. And that could contribute to the risk of tripping and falling in older adults, suggests a new study.

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