Biological clock study challenged. (Biology).(Brief Article)

From: Science News | Date: August 17, 2002 | Copyright information

A report in the July 26 Science disputes the controversial notion that bright light applied to skin can reset a person's biological clock.

In 1998, a research group reported, also in Science, that shining light on the back of a person's knees could delay or advance the brain-driven daily rhythm that influences body temperature, wakefulness, and many other physiological features. The discovery was hailed as potentially a new way to treat jet lag and other disruptions of t...

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