Science answers, "Why is pee yellow?"

Scientists have finally determined what makes your pee yellow!
The discovery of bilirubin reductase, a by-product of some bacteria responsible for gut health, is the answer to the age old question 'why is my pee yellow?' Having discovered this, the scientists from the University of Maryland also believe the enzyme plays a role in all sorts of things, from obesity to heart disease. — Read the rest
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