News tagged with circadian

Circadian clocks in a blind fish

Do animals that have evolved for millions of years underground, completely isolated from the day-night cycle, still "know" what time it is? Does a normal circadian clock persist during evolution under constant darkness? A ...

dateSep 06, 2011 in Cell & Microbiology
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Repairing our inner clock with a two-inch fish

Circadian rhythms — the natural cycle that dictates our biological processes over a 24-hour day — does more than tell us when to sleep or wake. Disruptions in the cycle are also associated with depression, problems ...

dateJul 21, 2011 in Biotechnology
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Video gaming teens sleep less: study

Teens who play a lot of video games are likely to sleep less than the eight to nine hours a night recommended for the age group, researchers said Monday.

dateMay 16, 2011 in Health
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SAD affects many through winter months

For many, the changing of the seasons means cozy dark evenings of winter and enjoying holiday light displays. But perhaps for you, the shortening of the days signals a time when you feel down, sad or withdrawn. You may notice ...

dateFeb 18, 2011 in Psychology & Psychiatry
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