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Experts cautious of universal low testosterone screening for men

Testosterone levels in men can vary significantly due to a variety of factors such as age, time of day, obesity, illness, physical stress, lack of sleep, trauma, and certain medications. Clinically significant low testosterone, or male hypogonadism, is rare, impacting only about 1% of men and is often linked to genetic conditions or pituitary gland issues.

To accurately diagnose male hypogonadism, experts recommend patients self-report symptoms for evaluation by healthcare providers. Repeated tests and a comprehensive assessment are necessary for a definitive diagnosis. The military’s new all-purpose screening approach is under scrutiny for its potential outcomes.

Recent data indicates that a significant portion of the military population may be at risk. The average morning total testosterone level among Army participants was 405 ng/dL, above the Department of Defense’s low testosterone threshold of 300 ng/dL. Extrapolating this data across the entire Army, researchers estimate that approximately 26% of active-duty service members may have results indicating low testosterone.

According to the Centers for Disease Control and Prevention, the standard cutoff for low testosterone is set at 264 ng/dL, resulting in an estimated 15% of Army personnel demonstrating low testosterone levels.

Risks Associated with Screening

Risks of low testosterone levels were found to be higher in individuals with higher BMI and older age. The study revealed that 19.5% of men under 30 years old and 33% of men over 30 years old had low testosterone readings, highlighting the role of age and weight in testosterone levels.

Source: arstechnica.com