High prevalence, incidence of hypertension among rural Africans living with HIV

About 12 percent of people living with HIV in rural Tanzania have hypertension at the moment of HIV diagnosis. An additional 10 percent will develop hypertension during the first months of antiretroviral therapy. This represents an incidence 1.5 times higher than that found in Europe or the United States.

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Researchers identify biomarker that predicts death in sepsis patients

The runaway immune response to infection called sepsis is difficult to diagnose, and even more difficult to treat. Now, researchers have discovered a biomarker called methylthioadenosine (MTA) that can predict which patients are most likely to die from the disease. The findings could also help determine whether patients could benefit from therapies that either enhance or suppress the immune system, paving the way for new treatments.

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Pro-pot arguments fly higher with likely voters

As more states consider legalizing recreational marijuana, a range of arguments for and against legalization is swirling around the national conversation. Which of these arguments resonate most strongly with Americans? It's the arguments that support legalization, according to a new study.

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In battle for real estate, a disordered protein wins out

Research findings that first had scientists scratching their heads have turned out to be 'quite revolutionary,' according to study leaders. The scientists found that in a competition between two apparently equivalent proteins, one protein wins out every time as it swoops in to claim a cellular binding target. This protein is of special interest to researchers because it can trigger cancer cells to kill themselves. In fact, the researchers now hope future therapeutics that mimic this protein may work as potential cancer drugs.

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Chemists create molecular ‘leaf’ that collects and stores solar power without solar panels

An international research team has engineered a molecule that uses light or electricity to convert the greenhouse gas carbon dioxide into carbon monoxide -- a carbon-neutral fuel source -- more efficiently than any other method of "carbon reduction." The discovery is a new milestone in the quest to recycle carbon dioxide in the Earth's atmosphere into carbon-neutral fuels and others materials.

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Studying altruism through virtual reality

A computer-based environment has been developed with the aim to shed light on the origins of altruism. This new study immersed participants in a virtual environment that reproduced a building on fire which they had to evacuate in a hurry, deciding whether to save their lives or interrupt their escape and help rescue an injured person. The results showed that altruistic individuals self-reported to have greater concern for others’ wellbeing and had larger right anterior insula (a brain area involved in processing social emotions) compared to non-altruists.

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Super-sized memory is trainable and long lasting

The ability to perform astonishing feats of memory, such as remembering lists of several dozen words, can be learned, researchers report. After 40 days using a strategic memory improvement technique, individuals who had typical memory skills at the start and no previous memory training more than doubled their memory capacity, going from recalling an average of 26 words from a list of 72 to remembering 62. Four months later, recall performance remained high.

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