CBS Evening News for Thursday, Jul 31, 1986
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(Studio: Dan Rather) Report introduced.
(Boston, Massachusetts: Susan Spencer) Findings of Harvard research into effect of bright lights on body clock examined; details given, scenes shown. [Dr. Charles CZEISLER - explains implications of findings.] [Experiment subject Dorothy MARTIN - describes experience.] [CZEISLER - conts. explanation.] [MARTIN - notes sense of euphoria during study.]
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