Cardiology

Researchers are upbeat about cardiac regeneration

Think of them as the Energizer Bunnies of the heart, tiny natural batteries that keep this vital organ beating 100,000 times a day as it pumps 2,000 gallons of blood throughout the human body.

Health

The rainbow of urine colors: What's typical, what's not

Regular urine color varies but usually ranges from clear to pale yellow. The exact hue depends on how much water you drink. Fluids dilute the yellow pigments in urine. So the more you drink, the clearer your urine looks. ...

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