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k the food down into a homogenized fluid state which can pass into the intestine for the next phase of digestion. An "acid stomach" will respond to hydration. Gastritis (胃炎), duodenitis (十二指肠炎), pain from ulcers(溃疡) (as long as the ulcer is not perforated), & heartburn all decrease with increased water intake. Water eliminates toxins & waste from the body.[B] An active, athletic person needs 2/3 ounce per pound which is 13-14.8 ounce glasses a day if you''re 160 pounds. The more you exercise the more water you need. Spread out your water intake throughout the day. Do not drink more than 4 glasses within any given hour.[C] Water is the medium for various enzymatic & chemical reactions in the body. It moves nutrients, hormones, antibodies, & oxygen through the blood stream & lymphatic system. The proteins & enzymes of the body function more efficiently in solutions of lower viscosity.[D] Caffeinated beverages stimulate the adrenal glands(肾上腺) and act as diuretics, robbing your body of necessary water. Soft drinks contain phosphorus which can lead to depletion of bone calcium. Soda contains sodium. Fruit juices contain a lot of sugar & stimulate the pancreas. These drinks may tax the body more than they cleanse it. A 12 ounce can of regular soda contains the equivalent of 9 teaspoons of sugar and loads of empty calories.[E] In the article "Water Bearers", (Shape magazine) Elizabeth Austin notes that "water is the single most important nutrient you take in every day. It''s fat-free, cholesterol-free, low in sodium, and completely without calories." Also, drinking more water helps to reduce water retention by stimulating your kidneys. Studies have recommended that if you are overweight accordin
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