American Society for Gravitational and Space Biology -- Desert Beetle Circadian Rhythm Study Begins on Mir - When Space Shuttle Atlantis docked with Mir on May 15, it delivered 64 desert beetles for a circadian rhythm study to understand how the space flight environment changes the body's internal clock.
The Brain, Circadian Rhythms, and Clock Genes - British Medical Journal Article on circadian rhythms (1998). A clinical review.
Center for Biological Timing Home Page - The National Science Foundation Center for Biological Timing. Tutorials and original papers on biological timing.
Light Sets the Molecular Controls of Circadian Rhythm - Work conducted at the Rockefeller University indicates that light can reset the biological clock.
Mental Health Net - Circadian Rhythm Sleep Disorder Symptoms - General symptoms of circadian rhythm sleep disorder.
Circadian Sleep Disorders Association - Support and providing information to those affected by circadian sleep disorders such as Delayed Sleep Phase Syndrome. Includes links, FAQs, message board and a mailing list.
Scientists Find Eye Pigment Controls Circadian Rhythm - A brief report on an eye pigment, cryptochrome, which appears to control mammals' circadian rhythms.
Delayed Sleep Phase Syndrome - Comprehensive site with symptoms, causes, treatments, and links to further information on DSPS and circadian rhythms.
American Association of Medical Chronobiology and Chronotherapeutics - Provides an organizational framework for medical scientists, including academic and practicing physicians, interested in chronobiological phenomena.
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