Manipulating mouse brains during sleep improved their ability to remember new experiences that would normally be forgotten—a finding with important implications for treating Alzheimer's disease and other forms of dementia ...
Dec 11, 2025
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Natural killer (NK) cells are the bodyguards of our immune system. As a first line of defense, they destroy invading pathogens, foreign bodies, and infected cells in early stages, thereby preventing them from spreading. NK ...
Dec 10, 2025
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An international team led by the University of Michigan has introduced new methods that reveal which regions of the brain were active throughout the day with single-cell resolution.
Dec 8, 2025
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Dopamine neurons—the cells that drive reward and motivation while we're awake—become surprisingly active during nonrapid eye movement sleep right after we learn something new.
Dec 8, 2025
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Getting enough sleep and staying active are two of the most important things we can do for our health, but new research shows that most people struggle to achieve both, and that sleep may hold the key to moving more.
Dec 8, 2025
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Higher nighttime temperatures are linked to shorter sleep times and lower sleep quality, especially for people with chronic health conditions, lower socioeconomic status, or those living on the West Coast, according to a ...
Dec 5, 2025
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Australian researchers have found compelling evidence that insomnia may be linked to disruptions in the brain's natural 24-hour rhythm of mental activity, shedding light on why some people struggle to "switch off" at night.
Nov 26, 2025
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Our brains do not react in a fixed, mechanical way like electronic circuits. Even if we see the same scene every day on our commute to work, what we feel—and whether it leaves a lasting impression—depends on our internal ...
Nov 11, 2025
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Don't lose sleep over headlines linking melatonin to heart failure. That's the message after some scary-sounding reports about a preliminary study involving the sleep-related supplement. It raised questions about the safety ...
Nov 8, 2025
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122
It's well-known that neural circuits help synchronize our biological clock with the day-night cycle. But just how exactly do those circuits develop, and can better understanding the process help, for example, in treating ...
Nov 7, 2025
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