This month's issue of National Geographic has an article about caffeine that mentions introverts. This is taken from a review by Dan Kincaid in The Arizona Republic online.
Caffeine, the "world's most popular psychoactive drug," is the top story [in National Geographic this month]. Despite such side effects as jittery nerves and sleeplessness, people around the world crave the buzz and energy that caffeine delivers. These range from an MIT medical researcher who gulps down more than 600 milligrams of the stuff daily in his coffee to sharpen his faculties to Buddhist monks at an Indian monastery who help fuel their devotions by sipping butter tea. Finns ingest the most caffeine; the average Finn consumes 145 grams of the alkaloid a year. New research indicates extroverts are less sensitive to caffeine than introverts; pain relievers containing caffeine work better than the same meds alone; the robusta beans of cheaper coffee brands provide twice as much caffeine as the arabica beans beloved by connoisseurs; and cutting off caffeine for a day and a half boosts blood flow to the brain, possibly explaining why people who go cold turkey get splitting headaches... ."
So there you have it ... introverts in the news :-)
Caffeine, the "world's most popular psychoactive drug," is the top story [in National Geographic this month]. Despite such side effects as jittery nerves and sleeplessness, people around the world crave the buzz and energy that caffeine delivers. These range from an MIT medical researcher who gulps down more than 600 milligrams of the stuff daily in his coffee to sharpen his faculties to Buddhist monks at an Indian monastery who help fuel their devotions by sipping butter tea. Finns ingest the most caffeine; the average Finn consumes 145 grams of the alkaloid a year. New research indicates extroverts are less sensitive to caffeine than introverts; pain relievers containing caffeine work better than the same meds alone; the robusta beans of cheaper coffee brands provide twice as much caffeine as the arabica beans beloved by connoisseurs; and cutting off caffeine for a day and a half boosts blood flow to the brain, possibly explaining why people who go cold turkey get splitting headaches... ."
So there you have it ... introverts in the news :-)
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