The Numbers: Calories, BMI, and Portion Sizes (Understanding Nutrition: A Gateway to Physical & Mental Health)

Explains how knowing the numbers associated with health, including BMI, weight, and calories, can aid in making the right food choices. "Nutrition can be complicated. How do you know what foods are healthy and what aren't? How much should you eat? What's a healthy portion size? How many calories do you need? Do you weigh just the right amount--or are you underweight or overweight? Keeping track of how much you eat, weigh, and exercise can help you make the right choices. Discover how knowing the numbers--calories, BMI, weight, and more--is a big part of staying fit and healthy."--Publisher's website Title Page Contents Introduction Chapter 1: The Numbers Behind the Food We Eat Chapter 2: Calories In and Calories Out Chapter 3: How Much Is Too Much? Chapter 4: Keeping Track of the Numbers Find Out More Index About the Author & Consultant and Picture Credits Blank Page