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.
The Institute of Medicineâs recommendation is that kids ages 4 and older get 25 to 35 percent of their daily calories from fat. For example, girls eating 1,500 calories a day should aim for 42 to 58 grams of fat, while boys consuming 1,600 calories a day need 44 to 62 grams of fat daily.or example, girls eating 1,500 calories a day should aim for 42 to 58 grams of fat, while boys consuming 1,600 calories a day need 44 to 62 grams of fat daily.