The attractiveness of the human face plays an essential role in mating as it may signal the genetic suitability of a mate. The controversial ‘ovulatory shift hypothesis’ postulates that women in the fertile phase of the menstrual cycle would prefer faces of masculine men with high testosterone that signals ‘good genes’, whereas in the non-fertile phase they prefer traits signaling theToo high I'm a maniac. Short-fused, insomnia, night sweats, heartburn, insatiable sexual desire, pins and needles in my hands, irritable , no patience for nonsense, oily skin, want to rip the roof of my house off. . Low testosterone, not so much. Somewhere in the middle is usually pretty good for me. 3. reported an age-adjusted relative risk (RR) for high vs. low levels of serum total testosterone of 3.4 [95% confidence interval (CI), 1.6–7.3] and for urinary testosterone of 2.1 (95% CI, 0.9–4.8) for cases (n = 63) vs. controls (n = 70). Study samples were collected between cycle d 18 and d 21 irrespective of cycle length or whether
The treatment can be testosterone replacement therapy (TRT). Despite testosterone’s positive and beneficial effects on weight loss, lean muscle growth, decreased low-density lipoprotein (LDL), improved insulin resistance, improved cognition, decrease in waist circumference, improved libido and erectile function there are known risks of therapy.
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