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image: Mammals May Have a 12-Hour Clock

Mammals May Have a 12-Hour Clock

By | June 6, 2017

Data point to peaks in gene expression in the morning and evening that are distinct from day-night circadian cycles.

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image: Mouse Livers Grow and Shrink Daily

Mouse Livers Grow and Shrink Daily

By | May 4, 2017

Feeding-fasting rhythms and light-dark cycles direct regular changes in organ and cell size, as well as ribosome number and protein levels.

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Scientists identify a mutation in the CRY1 gene in people with abnormal sleeping patterns.

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image: Circadian Rhythms Influence Treatment Effects

Circadian Rhythms Influence Treatment Effects

By | April 1, 2017

Across many diseases, taking medication at specific times of day may make the therapy more effective.

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image: Infographic: Circadian Clock Affects Health and Disease

Infographic: Circadian Clock Affects Health and Disease

By | April 1, 2017

The body's rhythms could affect numerous ailments as well as how people respond to treatments.

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image: Glia Help Regulate Circadian Behaviors

Glia Help Regulate Circadian Behaviors

By | March 23, 2017

Scientists confirm that astrocytes are involved in regulating molecular and behavioral circadian rhythms in mice. 

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image: An Aging-Related Effect on the Circadian Clock

An Aging-Related Effect on the Circadian Clock

By | February 21, 2017

Stress-related genes may be preferentially and rhythmically expressed as part of the circadian rhythms of older fruit flies, researchers report.  

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image: Out-of-Sync Light and Heat Levels Disrupt the Body’s Clock

Out-of-Sync Light and Heat Levels Disrupt the Body’s Clock

By | November 9, 2016

Six-hour time lags between daily cycles of light and heat lead the molecular pathways that help fruit flies keep track of time to go haywire.

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image: Time, Flies

Time, Flies

By | November 1, 2016

By studying the sleep-wake cycle of fruit flies, Amita Sehgal is revealing how the body’s circadian and sleep rhythms are regulated.

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image: Circadian-Controlled Thirst

Circadian-Controlled Thirst

By | September 28, 2016

Scientists determine how the brain’s central clock regulates drinking prior to sleep in rodents.

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