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Mammals May Have a 12-Hour Clock
Ashley Yeager | Jun 6, 2017
Data point to peaks in gene expression in the morning and evening that are distinct from day-night circadian cycles.
Mouse Livers Grow and Shrink Daily
Abby Olena | 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.
Clock Gene Mutation Leads to “Night Owl” Behavior
Diana Kwon | Apr 9, 2017
Scientists identify a mutation in the
gene in people with abnormal sleeping patterns.
Circadian Rhythms Influence Treatment Effects
Jyoti Madhusoodanan | Apr 1, 2017
Across many diseases, taking medication at specific times of day may make the therapy more effective.
Infographic: Circadian Clock Affects Health and Disease
Jyoti Madhusoodanan | Mar 31, 2017
The body's rhythms could affect numerous ailments as well as how people respond to treatments.
Glia Help Regulate Circadian Behaviors
Diana Kwon | Mar 23, 2017
Scientists confirm that astrocytes are involved in regulating molecular and behavioral circadian rhythms in mice.
An Aging-Related Effect on the Circadian Clock
Anna Azvolinsky | Feb 21, 2017
Stress-related genes may be preferentially and rhythmically expressed as part of the circadian rhythms of older fruit flies, researchers report.
Out-of-Sync Light and Heat Levels Disrupt the Body’s Clock
Ben Andrew Henry | Nov 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.
Anna Azvolinsky | Nov 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.
Ruth Williams | Sep 28, 2016
Scientists determine how the brain’s central clock regulates drinking prior to sleep in rodents.