CNN CNN Newsroom August 18, 2013 21:37:00
Protective so we don't know -- i mean, there might be different reasons why people of different ages drink coffee. people who are younger may be drinking coffee for reasons related to work or stress. i know, for example, that time i drank the most coffee was in residency and that was because i was exhausted all the time. but i felt like i was under a lot of pressure to actually get things done and drank a lot of coffee at that time and might be more related to sleep or sleep deprivation and also related to perhaps even the type of coffee that people drink so we don't know if people in differen...
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