Why is it misleading to compare an athlete's creatinine levels to those of a sedentary person?
A lean, heavily muscled athlete will naturally produce more creatinine than a sedentary individual of the same age, sex, and BMI. Using a sedentary reference range for comparison can result in false elevations and misinterpretation of kidney function.
✦
This is one answer. The complete system — the psychology, the biology, and the method — is in the book.
Read The Willpower Lie →Found an error? Let me know →