Water: How much should you Drink Every Day? by Mayo Clinic Staff
“Everyone has heard the advice, “Drink eight 8-ounce glasses of water a day.” That’s about 1.9 liters, which isn’t that different from the Institute of Medicine recommendations. Although the “8 by 8” rule isn’t supported by evidence, it remains popular because it’s easy to remember. Just keep in mind that the rule should be reframed as: “Drink eight 8-ounce glasses of fluid a day,” because all fluids count toward the daily total.”
How Do You Know if You’re Drinking Enough Water? by Dr. Mercola
What Counts as Water? Stay Hydrated and Healthy by Dr. Mercola
What Drove Us to Drink 8 Glasses of Water a Day? by Dr. Mercola
Drinking Tea May Lower Cholesterol, Blood Pressure, and Triglycerides by Dr. Mercola
“Drinking three or more cups of tea a day is as good for you as drinking plenty of water — and may be even better…Research dispels the common belief that tea dehydrates. Tea not only rehydrates as well as water does, but it can also protect against heart disease and some cancers.”
YOUR BODY’S MANY CRIES FOR WATER (pdf) by F. Batmanghelidj, M.D.