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Science News for May 25, 1998


Major Discovery: Scientists Find Eye Pigment Controls Circadian Rhythm

Researchers have discovered a new light-sensitive pigment called cryptochrome, which controls the circadian rhythm in mammals, regulating bodily functions such as body temperature and blood pressure. The discovery may lead to better treatment for depression and reduce accidents during late-night shifts.

SourceUniversity of North Carolina at Chapel Hill·JournalProceedings of the National Academy of Sciences·DateMay 25, 1998