Loss of 1 lb of body weight during exercise means that at least 2 cups of water have been lost.High-protein diets during exercise retain more water than do diets high in fruits and vegetables.

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The first statement is true; the second is false.High-protein diets,such as those in which fruit and vegetable intake is minimal,require larger amounts of water to eliminate higher levels of urinary waste products.Thus,patients on high-protein diets need to increase fluid consumption with water being the preferred beverage.The dental hygienist can suggest adding slices of lemon,lime,or watermelon to make water more enticing.An important caveat is that the addition of citrus lowers the pH of water,making a beverage of neutral pH more acidic.

Loss of 1 Lb of Body Weight During Exercise Means