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A medical condition characterized by low sex hormone production, potentially affecting libido and fertility.
The evidence shows a consistent pattern: testosterone exposure matters for penile growth before and during puberty but has little clear effect on adult penile size, while simple body measures (height,...
Puberty timing influences when penile growth starts and the tempo of development, but it is not the sole determinant of final adult : genetics and the hormonal milieu during puberty (especially testos...
Testosterone supplementation can increase sexual desire for some women—most consistently for postmenopausal patients diagnosed with hypoactive sexual desire disorder (HSDD)—but benefits are modest, no...
The claim that “ didn’t know how to have sex” is an oversimplification: contemporary reports and later medical-historical research show delayed consummation and sexual difficulties in his marriage, bu...
A safe, evidence-based evaluation for suspected low testosterone or (ED) requires a , targeted laboratory testing with proper timing and assay awareness, and exclusion of reversible medical, psycholog...
(TRT) can improve libido and in men with low testosterone and may make erections firmer—changes that can make the penis appear larger—but the evidence does not show that TRT reliably restores age‑rela...
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...