New research suggests that the strength and timing of the body’s internal clock may be closely tied to dementia risk.

Research links disrupted biological rhythms to dementia risk, but sleep length alone may not be the key factor.

The results of a recent study suggest that people with a weaker or more irregular body clock, also known as circadian rhythm, ...

Alzheimer’s may advance by breaking the brain’s internal clock—and resetting it could help fight the disease. Alzheimer’s disease often interferes with a person’s normal daily patterns. Early warning ...

A recent study in Neurology reveals that weaker, more fragmented circadian rhythms are linked to an increased dementia risk. Individuals with activity peaks later in the day also faced a higher ...

Circadian rhythms that are weaker and more fragmented are linked to an increased risk of dementia, according to a new study published in Neurology. The study also found that circadian rhythm levels ...

Weizmann Institute researchers say that progesterone and the stress hormone cortisol drive circadian rhythms; when out of ...

DALLAS, Oct. 28, 2025 — As modern lifestyles increasingly challenge the body’s natural circadian rhythm, the American Heart Association is spotlighting the potential health consequences of regular ...

The return to "standard time" is better for our health according to sleep scientists, but the time change can be disruptive, and our bodies must also adjust to more hours of darkness as we head ...

A study reveals that weaker circadian rhythms may significantly increase the risk of developing dementia in older adults.