Physiological effects of aroma
Anecdotal evidence suggests that sensing the aroma of coffee may have an impact on feelings of alertness, although further research is required to confirm this18.Research does suggest, however, that aroma can trigger emotions and evoke memories19.
Animal research has suggested that the roasted coffee bean aroma may have a stress relaxation effect in animals who were sleep deprived, but this is yet to be confirmed in humans20. Further information on the role of coffee on mental performance can be found here.
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