That would depend on the size of the person, and water loss. Over hydration is taxing on the kidney as well, not to mention the fact that the patient in that st

That would depend on the size of the person, and water loss. Over hydration is taxing on the kidney as well, not to mention the fact that the patient in that study was drinking tea. I'm surprised that the doctor didn't mention drinking plain water, or perhaps it was rejected by the patient, and it's customary to exclude that from these kind of report?