Circadian math: 1 plus 1 doesn't always equal 2

User rating: 4.5 / 5 after 24 vote(s)

Researchers have found that the circadian system may be able to distinguish between lights of different colors. Credit: RensselaerLighting Research Center
Researchers have found that the circadian system may be able to distinguish between lights of different colors. Credit: Rensselaer/Lighting Research Center

Like a wristwatch that needs to be wound daily for accurate time-telling, the human circadian system — the biological cycles that repeat approximately every 24 hours — requires daily light exposure to the eye's retina to remain synchronized with the solar day. In a new study published in the June issue of Neuroscience Letters, researchers have demonstrated that when it comes to the circadian system, not all light exposure is created equal.


Full story »
All News summaries from Medicine & Health news
All News summaries for June 07, 2008

Free drug samples may end up costing uninsured more

2 hours ago | User rating: not rated yet
Free drug samples provided to physicians by pharmaceutical companies could actually be costing uninsured patients more in the long run, according to a study done by researchers at Wake Forest University Baptist Medical Center ...

More off-premise alcohol outlets can lead to more injuries among neighborhood children

Sep 04, 2008 | User rating: not rated yet
Childhood injuries constitute a serious issue in the United States. In 2001, there were 12,249 deaths among children ages one to 14: injuries were the leading cause, accounting for 33.2 percent of all deaths for children ...

Living donor liver transplants may drastically decrease mortality from liver failure

Sep 04, 2008 | User rating: not rated yet
Patients with acute liver failure (ALF) could be saved by a transplant from a living donor (LDLT), according to a new study in the September issue of Liver Transplantation, a journal by John Wiley & Sons. The recent ...

Gait may be associated with orgasmic ability

Sep 04, 2008 | User rating: not rated yet
A new study found that trained sexologists could infer a woman's history of vaginal orgasm by observing the way she walks. The study is published in the September 2008 issue of The Journal of Sexual Medicine, the official ...

Is There a 'Mozart Effect'? Ask a Neuroscientist and a Musicologist

Sep 04, 2008 | User rating: not rated yet
(PhysOrg.com) -- Neuroscientists and musicians have learned that looking at the brain on music can yield valuable insights into how the mind works. Yet, University of Arkansas music theorist Elizabeth Hellmuth Margulis cautions ...
Goto Archive PhysOrg Forum Goto Archive Video Goto Archive Editorials Goto Archive Free Magazines Goto Archive Newsletter

News Archive