Brain
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Health & MedicineAnalyze This: Does moderate screen time boost teen happiness?
Computers, smartphones and TVs are everywhere. And scientists are trying to discover whether that’s a good thing for our well-being.
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BrainA cell hookup helps the tongue tell sweet from sour
To keep your sense of taste, new taste cells need to hook up to your brain every few weeks. Now, scientists have figured out how they do it.
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BrainScientists Say: Rabies
Rabies is a disease caused by the rabies virus. There is a vaccine, but without it, people and animals can die from this disease.
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BrainEvening screen time can sabotage sleep
Blue light from electronic devices can impair the body’s ability to sleep, making it hard to focus in the morning.
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BrainScientists Say: Glia
Scientists used to think glial cells did nothing more than glue the brain together. Now we know they do much, much more.
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BrainCould Zika become a cancer treatment?
The same virus that provoked fear over causing birth defects, last year, may have a beneficial alter ego. Scientists find it may kill cells destined to form deadly brain tumors.
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BrainUnderstanding body clocks brings three a Nobel Prize
Three American men will share this year’s Nobel prize for physiology or medicine. The award recognizes their contributions to understanding the workings of the body’s biological clock.
By Tina Hesman Saey and Aimee Cunningham -
BrainSpying on brains in action
New tools let scientists see inside the brain and nervous system as their research subjects move around.
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BrainBrains may need flexible networks to learn well
New data suggest that brain cells may learn best when they are able to easily make and break off communications with neighbors — or distant brain regions.
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BrainBrain’s immune system can play role in weight gain
Weight isn’t just calories in, calories out. When mice eat a fatty diet, immune cells in their brains become inflamed. That makes the animals gain more weight.
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BrainMany U.S. football players had brain disease, data show
The brains of more than 200 former football players were donated to science upon their deaths. Signs of severe brain trauma showed up in the vast majority.
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BrainMild brain injury can cause bead-like swellings in brain cells
Mild head bumps cause temporary swellings — like beads in a necklace — within brain cells. If cells get enough time to heal, those “beads” will disappear.