I know that coffee is a diuretic but I don’t understand why the effects can vary so much day to day
In: Biology
Coffee is a stimulant. The bowels are full of smooth muscles that slowly push your waste along in a rhythmic motion. This motion is called peristalsis. In grade school we had a marble (waste) and one of those long uninflated balloons (intestine) and we were instructed to use are finger to slowly squeeze the marble from the opening of the balloon to the tip. This is similar to the peristaltic motion of the intestines. When you drink coffee it speeds up everything in your system including peristalsis. This can help move waste through your system quicker.
Also, if you regularly drink coffee the caffeine doesn’t have (or have as much of) a dehydrating effect; therefore you’re also introducing more liquids into your system and hydrating yourself. When you are well hydrated your body doesn’t try to suck out as much moisture from your waste so it will move the waste through your bowels faster.
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