Circadian rhythms that are weaker and more fragmented are linked to an increased risk of dementia, according to a new study ...

Your daily rhythm may matter more for brain health than previously thought. Older adults with weaker, more disrupted activity ...

Circadian rhythms that are weaker and more fragmented are linked to an increased risk of dementia, according to a new study published on December 29, 2025, in Neurology®, the medical journal of the ...

On the eve of Daylight Saving Time, I flew home to Vermont from California. Crossing several time zones, I arrived near midnight. At 2 a.m., the clock jumped ahead an hour, leaving me discombobulated.

In laboratory models, researchers at The University of Texas MD Anderson Cancer Center discovered that a mother's circadian ...

As countries around the world begin to turn their clocks back an hour, some people may rejoice at the extra time in bed while others might mourn the loss of evening light. For many sleep and circadian ...

Cyanobacteria, an ancient lineage of bacteria that perform photosynthesis, have been found to regulate their genes using the same physics principle used in AM radio transmission. New research ...

Every cell in the human body operates on an intricate internal schedule, governed by circadian rhythms that synchronize our biological processes with the 24-hour cycle of day and night. Coordinated by ...

Circadian rhythms regulate the sleep-wake cycle, hormone secretion, metabolism, immune responses, and even patterns of eating and digestion. They help preserve genomic stability, control the cell ...