ABC Evening News for Monday, Jul 08, 1974
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(Studio) At Tulane Univ., researchers and monkey discover evidence that marijuana may be harmful to health.
REPORTER: Harry Reasoner
(New Orleans, Louisiana) Monkey's brain waves change after inhaling marijuana cigarette, indicating possible changes in brain itself. Brain wave changes could mean severe psychotic behavior in humans. [Dr. Robert HEATH - believes marijuana is dangerous drug if used heavily.]
REPORTER: Roger Peterson (videotape courtesy Tulane Univ.)
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