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Something to think about, posted by Dr Karl Nadolsky, Clinical Endocrinologist and obesity specialist in the US (note that I do not have the education/license to verify or counter the claims below but it matches what I have heard from other clinicians, I was also unable to find the footnotes):
"As a former active-duty endocrinologist, I felt the "duty" to respond to this apparent effort by Secretary of Defense, Pete Hegseth, to screen all active-duty (presumably men) over age 30 for testosterone deficiency.
We have great active duty endocrinologists, especially at Walter Reed National Military Medical Center where I completed my fellowship and stayed on as faculty, that hopefully can curtain this foolish effort.
Men should only be screened for hypogonadism (#LowT) if they have symptoms of such (ie low libido, reduced erections, muscle loss, reduced drive/motivation, mood change like irratibility.
Specifically, in the military, we must be more vigilant for potential traumatic causes such as TBI, testicular injuries or other injuries that require opioid pain meds which cause low testosterone or chronic glucocorticoid (like prednisone) use.
Every major endocrine society explicitly recommends against routine screening for hypogonadism in asymptomatic men.
The rationale can be organized around several key domains:
1. Hypogonadism fails established criteria for population-level screening
2. Low prevalence in the target population
The prevalence of hypogonadism due to hypothalamic-pituitary-testicular pathology is less than 1% in the general male population.[2]
The most common cause of secondary hypogonadism, obesity, affects 2–8% of men, but the first-line treatment is weight loss, not testosterone as suggested by the SecDef.[2][7]
Active-duty military men over 30 are generally younger and should be more physically fit than the general population, making the expected yield of screening even lower.
3. High risk of false positives and overdiagnosis
Serum testosterone has substantial biological and analytical variability that makes single-measurement screening problematic.
A universal screening program would inevitably generate a large number of false-positive results, triggering unnecessary confirmatory testing, specialist referrals, anxiety, and potential inappropriate treatment.
4. Harms of unnecessary testosterone therapy
#TRT is only indicated for men with irreversible causes of hyogonadism and treating men who are identified through screening but without true irreversible deficiency carries real risks without established benefit (even if just infertility and life-long potential need of therapy once on it)"
Before people go jumping on the bandwagon, they need to ensure that they understand all of the science/medicine involved, the risk factors, and potential impact.
"As a former active-duty endocrinologist, I felt the "duty" to respond to this apparent effort by Secretary of Defense, Pete Hegseth, to screen all active-duty (presumably men) over age 30 for testosterone deficiency.
We have great active duty endocrinologists, especially at Walter Reed National Military Medical Center where I completed my fellowship and stayed on as faculty, that hopefully can curtain this foolish effort.
Men should only be screened for hypogonadism (#LowT) if they have symptoms of such (ie low libido, reduced erections, muscle loss, reduced drive/motivation, mood change like irratibility.
Specifically, in the military, we must be more vigilant for potential traumatic causes such as TBI, testicular injuries or other injuries that require opioid pain meds which cause low testosterone or chronic glucocorticoid (like prednisone) use.
Every major endocrine society explicitly recommends against routine screening for hypogonadism in asymptomatic men.
The rationale can be organized around several key domains:
1. Hypogonadism fails established criteria for population-level screening
2. Low prevalence in the target population
The prevalence of hypogonadism due to hypothalamic-pituitary-testicular pathology is less than 1% in the general male population.[2]
The most common cause of secondary hypogonadism, obesity, affects 2–8% of men, but the first-line treatment is weight loss, not testosterone as suggested by the SecDef.[2][7]
Active-duty military men over 30 are generally younger and should be more physically fit than the general population, making the expected yield of screening even lower.
3. High risk of false positives and overdiagnosis
Serum testosterone has substantial biological and analytical variability that makes single-measurement screening problematic.
A universal screening program would inevitably generate a large number of false-positive results, triggering unnecessary confirmatory testing, specialist referrals, anxiety, and potential inappropriate treatment.
4. Harms of unnecessary testosterone therapy
#TRT is only indicated for men with irreversible causes of hyogonadism and treating men who are identified through screening but without true irreversible deficiency carries real risks without established benefit (even if just infertility and life-long potential need of therapy once on it)"
Before people go jumping on the bandwagon, they need to ensure that they understand all of the science/medicine involved, the risk factors, and potential impact.

