The Systemlord Callout Thread

[johann77]

@ncsugrad2002

I thought the obese, unhealthy, etc were supposed to be filtered out of the “normal” ranges anyways?

Yes exactly. Current ref ranges of lean, young and unhealthy men are not different to ref ranges from the late 1980s if using the same method.

Study: Testosterone Distribution in Lean Men 20-39 Years of Age Without Comorbidities

New paper from Oct 2019 Calculated ref range from the data presented in the study linked below is: NHANES III 304 - 944 ng/dl cont NHANES 348 - 1005 ng/dl We used cross-sectional data for never-smoking, lean men ≥20 years without diabetes, myocardial infarction, congestive heart failure, stroke, or cancer, without use of hormone-influencing medications, and participated in morning sessions of National Health and Nutrition Examination Survey (NHANES) III (phase I 1988–1991) or continuous NHAN…