Link between light and Body clock

For a detailed understanding on this please read my blog on Time ( under Time),Brain’s Architecture(health).

In a new paper published this week in the Proceedings of the National Academy of Sciences, Aziz Sancar, MD, PhD, the Sarah Graham Kenan Professor of Biochemistry and Biophysics in the UNC School of Medicine, and his colleagues have taken an important step in understanding the underlying molecular signals that influence a broad array of biological processes ranging from the sleep-wake cycle to cancer growth and development.

http://www.physorg.com/news/2010-12-scientists-link-circadian-rhythms.html