The effects of long-term administration of guarana on the cognition of normal, elderly volunteers
Paulinia cupana (guarana) is a Brazilian plant given great prestige in popular medicine, for example as being a potent stimulator of brain functions. The authors assessed the effects of the long-term administration of guarana on the cognition of normal, elderly volunteers. Forty-five volunteers were studied, with a random distribution in three experimental groups: placebo (n=15), caffeine (n=15), and guarana (n=15), in a double-blind study. There were no significant cognitive alterations in these volunteers.
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| Main Authors: | , |
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| Format: | Digital revista |
| Language: | English |
| Published: |
Associação Paulista de Medicina - APM
1996
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| Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-31801996000100003 |
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| Summary: | Paulinia cupana (guarana) is a Brazilian plant given great prestige in popular medicine, for example as being a potent stimulator of brain functions. The authors assessed the effects of the long-term administration of guarana on the cognition of normal, elderly volunteers. Forty-five volunteers were studied, with a random distribution in three experimental groups: placebo (n=15), caffeine (n=15), and guarana (n=15), in a double-blind study. There were no significant cognitive alterations in these volunteers. |
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