For many, coffee triggers the need to have a bowel movement. Is this because it is an irritant, or does caffeine aggravate the intestines or is it something else?
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Caffeine is a diaretic which expands the blood vessels (I believe), so I'm assuming that's at least part of it.
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Mary Wickison (Blond Logic) 2 years ago
That sounds logical, it seems to affect quite a few people. Thanks for your answer.
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