1. the act of attenuating or the state of being attenuated. 2. (General Physics) the loss of energy suffered by radiation as it passes through matter, esp as a result of absorption or scattering.
A healthy teenage boy may have a higher calorie intake of about 2,200 calories per day; about 61 to 86 g of fat should be consumed. Read more: http://www.livestrong.com/article/399246-a-teen-needs-how-many-grams-of-fat-per-day/#ixzz2QFhZ92Aj. For both teenage boys and girls, 5 to 6 tsp. of fat are recommended daily. Fat can't always be measured by the teaspoon, however, so it is easier to think of fat in actual percentages.
How much fiber do teen girls and young women need per day? Topics | Teen Perspective on Health | Your Lifestyle | Teen Perspective: Nutrition and Healthy Eating | How much fiber do teen girls and young women need per day? Young women should be getting about 25 grams of fiber daily. You can easily get this amount in your diet by eating five servings of raw fruits and veggies and a bowl of high-fiber cereal (such as shredded wheat or raisin bran) daily. Complex carbs, such as brown rice and whole grain bread, are also good sources of fiber.