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The impact of childhood surroundings on adult testosterone levels, including factors such as nutrition, disease exposure, and growth patterns.
Supplementing testosterone in adolescent males carries real medical risks—some well-documented in short-term studies and others uncertain because long-term safety data are limited—so the decision hing...
Age-adjusted testosterone levels vary across countries and regions, but the signal is mixed: some well-controlled cohort studies show modest regional differences after age adjustment, while global com...