eli5 – Why does alcohol (broken down by the liver) make you need to pee (made by the kidneys)?
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Alcohol is a diuretic. Diuretics are any substances that promote water loss from the blood through the kidneys.
You drink alcohol—>alcohol is processed by the liver—>diuretic effect of the alcohol is activated on the body—>your kidneys respond to the diuretic effect by increasing the amount of water loss through urine—>you pee more frequently, and greater amount.
It’s broken down by the liver, but the byproducts are dumped into the bloodstream. The kidneys filter the bloodstream, removing waste molecules. They see a bunch of waste molecules and water, and that’s their signal to make more urine, filling your bladder, where the nerves signal you to go pee. The kidneys don’t care where the stuff comes from, that’s not their job.
Your liver breaking down alcohol doesn’t make you pee. Alcohol inhibits the production of vasopressin, a hormone that tells your kidneys to reabsorb water. Without this hormone, your kidneys just passes the water into your bladder.
Because of the crap the government makes them put in it, to be able to bring it to market. No bullshit. Make your own sometime, you’ll see
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