In a recent article on the Harvard Women’s Health Watch, Dr. Toni Golen explains that coffee’s popularity among Americans may be attributed to its digestive benefits in addition to its brain-boosting effects. A 2021 study highlighted in the article suggests that coffee stimulates the release of hormones, gastrin and cholecystokinin, triggering the gastrocolic reflex, which aids in moving waste through the colon and promoting bowel movements. While coffee’s unique hormonal action sets it apart from other beverages, its caffeine content intensifies this effect by increasing colon contractions.

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