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| body fat, copier toner, eating disorder, nutrition facts, fax cartridge, body tape measure, for loved one, nhlbi, on the road, children's diet, | A study by healthcare news Brozek and Keys of a large group of men showed the following changes in percent of fat with age of people of standard weight. That is, people who maintained their correct weight per height-weight charts. What this shows is that a person healthcare news who weighs, for example, 160 pounds at age 20 has 16 pounds of fat (10.3 percent) and 144 pounds of everything else (bones, muscle, organs, healthcare news etc.). But at age 55, this same person who still weighs 160 pounds has 40 pounds of fat (25 percent) and 120 pounds of everything else. Since muscle tissue is the component of the "lean mass" that changes the most, this means that from age 20 to age 55, this person has lost 24 pounds of muscle g tissue and replaced it with a gain of 24 pounds of fat. |
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| By knowing percent of body fat, the percent nutrition facts of muscle, bone, organs, etc. can also be determined. For example, if a person has nutrition facts 20 percent body fat and weighs 135 pounds, then 27 pounds of this is fat. Everything else, which is sometimes referred to as the "lean mass" is 80 percent of their weight or 108 pounds. Of this lean mass, the component that can change the most is muscle tissue. Therefore, if a person monitors their change in percent of body fat and nutrition facts weight, they can also determine their change in muscle tissue. Muscle tissue can increase or decrease depending on a persons diet, activities, exercise, and lifestyle. Recent research has shown several interesting things about body composition and muscle tissue. One major study has shown that the typical American loses muscle tissue and gains fat steadily from about age 20 on. The study shows that even people of standard weight, who maintain their same weight as they grow older, still gain fat and lose muscle tissue. |
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