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News
Music can reduce pain, and it’s not simply due to distraction
1+ day, 5+ hour ago (1017+ words) A review of 57 studies reveals why music can ease pain, with personal choice, enjoyment, and active participation emerging as important factors. People put on music when something hurts, usually on the theory that it pulls attention away from the pain....
Brain cells that protect nerve fibers can turn harmful with age
1+ day, 18+ hour ago (943+ words) A surplus of insulating brain cells, low on one protective protein, tracked the steepest cognitive decline in adults followed since childhood. After 70, memory and quick thinking slow down for most people, and the usual explanation is that the brain’s wiring…...
Heart cells can ‘remember’ stress and use it for protection during chemotherapy
1+ day, 20+ hour ago (1157+ words) Early stress in mitochondria before birth helped mouse hearts resist later chemotherapy damage by creating lasting protective changes. Chemotherapy can save lives, but some drugs can also put the heart under serious strain. Doxorubicin, a chemotherapy used against several cancers,…...
Tiny sounds can make fluid waves larger in the sleeping brain
3+ day, 21+ hour ago (1003+ words) Carefully timed sounds can make fluid waves larger in the sleeping brain, giving researchers a new way to study how brain activity and CSF flow are connected. Sleep is often treated as a time when the brain simply shuts down....
Scientists identify brain cells that control how badly the body needs sleep
6+ day, 4+ hour ago (1126+ words) Two groups of brainstem cells build sleep drive in mice, and damping them cut sleep by nearly 70% without the usual damage. Push through a long enough day and the urge to sleep stops being a choice. That pressure builds the…...
The brain’s natural painkiller system can turn against the body
6+ day, 22+ hour ago (1143+ words) Switching off a cluster of cells in the mouse brainstem eased nerve pain, and restoring one receptor reversed months of hypersensitivity. The brain runs a painkiller of its own. At the base of the skull, a small cluster of cells…...
Students learned two ways to handle bad memories, but only one carried into daily life
6+ day, 23+ hour ago (1132+ words) Five weeks of emotion training reduced distress in college students, with the clearest change coming from where they directed their attention. When something goes wrong, plenty of people try to talk themselves into a better view of it. College students…...
Progesterone levels may be linked to how the brain handles emotions
1+ week, 2+ day ago (1052+ words) Higher progesterone was linked to less distinct brain signals during emotion control and to lower mood in women. Progesterone and estradiol change across the menstrual cycle and are linked with mood. How they relate to emotional control in the brain…...
Young adults who stepped away from social media slept better and felt less anxious, but not exactly how scientists expected
1+ week, 5+ day ago (847+ words) A week off social media eased depression, anxiety, and insomnia in young adults, even though their total screen time barely dropped at all. Young adults who stepped away from social media for one week reported fewer symptoms of depression, anxiety,…...
Memory starts changing earlier in life than most people think
1+ week, 6+ day ago (1021+ words) Memory changes may begin by middle age, as brain patterns linked to remembering become less precise with age. Memory problems are often linked with old age. A forgotten name or a familiar face without a clear memory of where it…...