False! Via NPR:
The kidneys filter toxins from our bloodstreams. Then the toxins clear through the urine. The question is, does drinking extra water each day improve the function of the kidneys?
“No,” says Goldfarb. “In fact, drinking large amounts of water surprisingly tends to reduce the kidney’s ability to function as a filter. It’s a subtle decline, but definite.”
> For four more myths, here.
> For the Ayurvedic way to drink water, here.