KLARU in the Globe - Dr. Carol Greenwood answers the question: "Does caffeine enhance performance of mental tasks?
Baycrest KLARU scientist Dr. Carol Greenwood
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We ask the experts to settle common questions we've all wondered about.QUESTIONCan supercaffeinated drinks help students pull all-nighters to study for exams? We know that caffeine enhances performance of mental tasks, but for how long? Do you have to keep ingesting it throughout the night and into the next day, and could it become counter-productive at certain levels?