The National Geographic Magazine, Volume 207, Issues 1-3National Geographic Society., 2005 - Geography |
From inside the book
Results 1-3 of 34
Page 16
caffeine for a day and a half increases blood flow in the brain , which may explain why people get headaches when they first. with the invention of electric light — allowed people to cope with a work schedule set by the clock , not by ...
caffeine for a day and a half increases blood flow in the brain , which may explain why people get headaches when they first. with the invention of electric light — allowed people to cope with a work schedule set by the clock , not by ...
Page 26
... caffeine may have benefits for human health . Studies have shown it can help relieve pain , thwart migraine headaches , reduce asthma symptoms , and elevate mood . As a mental stim- ulant , it increases alertness , cognition , and e S S ...
... caffeine may have benefits for human health . Studies have shown it can help relieve pain , thwart migraine headaches , reduce asthma symptoms , and elevate mood . As a mental stim- ulant , it increases alertness , cognition , and e S S ...
Page 27
... caffeine users might argue with Berg- man : A day or so without caffeine can cause headaches , irritability , a lack of energy , and , of course , sleepiness . But compared with giving up cocaine or heroin , getting over caffeine is ...
... caffeine users might argue with Berg- man : A day or so without caffeine can cause headaches , irritability , a lack of energy , and , of course , sleepiness . But compared with giving up cocaine or heroin , getting over caffeine is ...
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