41.   Coaches applaud his decreased body fat.

42.   Cowboys coaches said Carver had a productive off-season in which he increased his strength, lowered his body fat and changed his attitude.

43.   Each group was tested for physical fitness on physiological measures of body mass, body fat, blood pressure and lung function.

44.   Early in the low-fat decade, this belief was fueled by research showing that dietary fat was more easily converted than carbohydrates into body fat.

45.   Every year the NFL gives its officials physical exams, which include stress tests and checks of body fat.

46.   Even thin mice, given enough leptin, went down to essentially zero body fat in a matter of days.

47.   Even normal mice injected with leptin lost body fat.

48.   Excess body fat also has been linked to hypertension, diabetes, cirrhosis of the liver and several cancers.

49.   Excess insulin also promotes the storage of body fat, thus increasing the risk of obesity and high blood pressure.

50.   Exercise may also curb the amount of body fat, which is a supplemental source of these hormones.