With MRI technique, brain scientists induce feelings about faces.

Volunteers who started an experiment feeling neutral about certain faces they saw ended up unknowingly adopting the feelings that scientists induced via an MRI feedback technique, according to newly published research.

The study in PLOS Biology therefore suggests that there is a single region of the brain where both positive and negative feelings for faces take shape and provides the second demonstration this year that the MRI technique can be used to train a mental process in an unknowing subject.

read the full article.. medicalxpress.com/news/2016-09-mri-technique-brain-scientists.html


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Brain connections are more sophisticated than thought.

Inhibitory synapses act as the brakes in the brain, preventing it from becoming overexcited. Researchers thought they were less sophisticated than their excitatory counterparts because relatively few proteins were known to exist at these structures. But a new study by Duke University scientists, published Sept. 9 in Science, overturns that assumption, uncovering 140 proteins that have never been mapped to inhibitory synapses.

read the full article.. medicalxpress.com/news/2016-09-brain-sophisticated-thought.html


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Stem cell therapy restores arm, hand movement for paralyzed man.

21-year-old man left paralyzed after a spinal cord injury has regained the use of his arms and hands, thanks to an experimental stem cell treatment performed by researchers from the Keck Medical Center at the University of Southern California.

read the article.. www.medicalnewstoday.com/articles/312796.php


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Reactive oxygen species switch immune cells from migratory to murderous.

Neutrophils are the superheroes of the body’s immune system. Normally mild-mannered, they travel through the bloodstream until they reach an emergency situation, such as a cut or infection, where they switch into battle-mode to engulf and destroy foreign invaders.

/…/ A receptor called TRPM2 acts as an ROS sensor or gauge inside the neutrophil. When ROS levels are low, the neutrophil is on the move, looking for infections to fight. As the neutrophil nears a wound site and begins to encounter foreign particles or bacteria, it engulfs them and generates a killing burst of ROS to destroy the captured enemy. TRPM2 senses these consistent, high levels of ROS inside the cell and puts the neutrophil in park, so the cell stays in place to continue killing invading microbes.

read the full article.. medicalxpress.com/news/2016-09-reactive-oxygen-species-immune-cells.html


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Obesity link to cancer ‘not well known by public’.

Three-quarters of people are unaware being overweight increases the risk of developing 10 different types of cancer, Cancer Research UK has said. It said the lack of understanding was “concerning” and criticised the government for its failed attempt to tackle childhood obesity. Bowel, kidney, breast and womb cancer are most commonly linked to obesity. Public Health England said it was working with the food industry to reduce sugar in its products. There is evidence to show that carrying too much weight increases the risk of developing cancers, contributing to more than 18,000 cases of cancer each year in the UK

read the full article.. www.bbc.com/news/health-37308635


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