. . "Food portions Juvenile literature." . . "Food Caloric content." . . "Food Composition." . . "Food portions." . . "Diet Juvenile literature." . . "Diet." . . "Food Composition Juvenile literature." . . . "Juvenile works"@en . "Electronic books"@en . "Juvenile works" . . . . . . . . . . . . "\"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."@en . "\"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." . . "The numbers : calories, BMI, and portion sizes"@en . . "The numbers : calories, BMI, and portion sizes" . . . . . . . . . "Food Caloric content Juvenile literature." . .