News tagged with circadian rhythm disorders

Experimental work proves theory that circadian body clock requires delay to function properly

For more than 20 years, theoretical mathematical models have predicted that a delay built into a negative feedback system is at the heart of the molecular mechanism that governs circadian clocks in mammalian ...

Biology / Cell & Microbiology

created Mar 25, 2011 | popularity 4 / 5 (1) | comments 0

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 But perhaps for you, the shortening of the days signals a time when you feel down, sad or withdrawn.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 ...

Medicine & Health / Psychology & Psychiatry

created Feb 18, 2011 | popularity not rated yet | comments 0

Making bees less busy: Social environment changes internal clocks

Honey bees removed from their usual roles in the hive quickly and drastically changed their biological rhythms, according to a study in the Sept. 15 issue of The Journal of Neuroscience. The changes were e ...

Biology / Plants & Animals

created Sep 14, 2010 | popularity 5 / 5 (1) | comments 0 | with audio podcast

UK: New guidelines to ease sleepless nights

Insomnia and other sleep disorders are very common, yet are not generally well understood by doctors and other health care professionals. Now the British Association for Psychopharmacology (BAP) has released up-to-the-minute ...

Medicine & Health / Health

created Sep 02, 2010 | popularity 3 / 5 (1) | comments 0

More than meets the eye to staying awake, alert

Think twice before falling asleep alongside the glare of your computer and TV screens: exposure to dim light from ordinary room lights, computer screens and other electronic devices late at night may be interfering with our ...

Medicine & Health / Health

created May 13, 2010 | popularity 4.9 / 5 (8) | comments 0 | with audio podcast

The Medical Minute: Don't be SAD over winter blues

Sunlight and seasonal changes have a great impact on human behavior. Seasonal Affective Disorder (SAD) is a form of depression -- sometimes called the winter blues -- that follows a seasonal pattern and occurs at the same ...

Medicine & Health / Psychology & Psychiatry

created Jan 13, 2010 | popularity not rated yet | comments 0

Faulty body clock may make kids bipolar

Malfunctioning circadian clock genes may be responsible for bipolar disorder in children. Researchers writing in the open access journal BMC Psychiatry found four versions of the regulatory gene RORB that were associated with p ...

Medicine & Health / Psychology & Psychiatry

created Nov 12, 2009 | popularity 4 / 5 (1) | comments 1

New pattern in our biological clock overturns long-held theory

(PhysOrg.com) -- University of Michigan mathematicians and their British colleagues say they have identified the signal that the brain sends to the rest of the body to control biological rhythms, a finding that overturns ...

Medicine & Health / Medical research

created Oct 08, 2009 | popularity 4.9 / 5 (22) | comments 4

Research reveals how cells tell time

The fuzzy pale mold that lines the glass tubes in Dr. Yi Liu's lab doesn't look much like a clock. But this fungus has an internal, cell-based timekeeper nearly as sophisticated as a human's, allowing UT Southwestern Medical ...

Medicine & Health / Medical research

created Jun 08, 2009 | popularity 5 / 5 (1) | comments 0

The clock watcher: Circadian rhythms research is shedding light on the causes of disease and aging

(PhysOrg.com) -- Embedded in our genes is a "clock" that regulates when we sleep, when we are awake and when we eat. This human clock manages what are known as circadian rhythms, 24-hour biological cycles ...

Medicine & Health / Medical research

created May 29, 2009 | popularity 4.3 / 5 (3) | comments 0