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active patients

Normal distributions of mass and fluid compartments are associated with immunity, high function, productivity, performance, and longevity. Maintaining healthy body weight appears to be a complex task involving dozens of important lifestyle choices. Patients are bombarded with competing messages about what to eat, how much to eat, which diet is the right one, and the right exercise machine to buy.

In the end, however, the body's fat-free mass and body cell mass tell the entire story. By focusing attention on these mass compartments individual lifestyle choices are less crucial per se, as long as fat-free mass and body cell mass compartments are healthy.

Patient's Age Optimal Fat Levels
  Male Female
  < 20  15 19
20 - 29 16 20
30 - 39 17 21
40 - 49 18 22
50 - 59 19 23
60 +   20 24


References:
Kyle UG, et al. Physical activity and fat-free and fat mass by bioelectrical impedance in 3853 adults. Medicine and Science in Sports and Exercise, 2001;33:576-584.
Evans W, Rosenberg IH. Biomarkers. Fireside, 1992.
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