MeSH tree: A08.186.211.200.317.357.342
Researchers at the Icahn School of Medicine at Mount Sinai have identified a previously overlooked brain circuit that helps explain how prior adversity can make the brain more reactive to future stress.
Oct 1, 2026
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46
You have gone without food for days, and the temperature drops to near freezing. What do you do? For some animals, the answer is influenced by the brain's circadian clock. Hummingbirds, bats, and mice are among the animals ...
Jun 4, 2026
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18
As you get older, it's normal to notice changes in your sleep. These can include fewer hours of shuteye, waking up more during the night, and finding it harder to drop off. However, despite the general view that older people ...
Mar 24, 2026
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12
Humans and animals share a remarkable capacity to sense when others are in distress and respond with comforting behavior. But the motivation for doing so, and why it sometimes breaks down, has been poorly understood. UCLA ...
Mar 6, 2026
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32
A Japanese research team has discovered a new compound that can advance the body's internal clock—offering hope for faster recovery from jet lag and better adaptation to night-shift work. The compound, called Mic-628, specifically ...
Jan 28, 2026
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54
What makes someone a "morning lark" or a "night owl?" Why does jet lag hit us so hard, and why do some people struggle each winter with seasonal affective disorder? Clues to these puzzles may lie in a tiny brain region called ...
Dec 22, 2025
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67
You've probably experienced it—your alarm is set for 6:30 a.m., yet somehow your eyes snap open a few minutes before it goes off. There's no sound, no external cue, just the body somehow knowing it's time.
Dec 13, 2025
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31
Astringency is a dry, puckering, rough, or sandpapery sensation in the mouth caused by plant-derived polyphenols. Polyphenols, including flavanols, are well known for risk reduction in cardiovascular diseases.
Nov 1, 2025
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202
This weekend, many people across the country will engage in a twice-a-year ritual: changing their clocks by one hour. At this time of year, "falling back" marks the end of daylight saving time (DST), which was first formally ...
Oct 29, 2025
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14
The disruption of sleeping and waking patterns from the daylight saving clock change reveals a great deal about our everyday reliance on the interaction of sleep pressure and circadian clocks.
Oct 25, 2025
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