Dr. Amy Voedisch, an OB-GYN at Stanford Medicine in Palo Alto, California, has noticed a dramatic rise in recent years in middle-age women asking for testosterone therapy. In both women and men, it’s normal for testosterone levels to drop with age — starting at about age 30 in men and around 40 in women. Typically, testosterone levels in men are around 15 times higher than in women. In women, who also have testosterone generally in much lower levels, it also plays a role in libido, muscular health and energy. Testosterone is the primary male sex hormone and plays a variety of roles in the human body.
"It does everything — and all of their problems are just because they’re a little low in testosterone." Voedisch, who has been in practice for decades, says the phenomenon among women really started to take off just in the last couple of years. Topical testosterone products first hit the market in the early 2000s. Testosterone treatment includes a gel rubbed on the shoulder, pills or an implantable pellet in the buttocks. The decline doesn’t mean that it necessarily needs to be replaced, either for health or longevity. Some studies have found a link between TRT and higher blood pressure, while others have seen no effect or a link to lowered blood pressure.
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The fact that the precooled group boosted testosterone at a time of day when it is expected to decline corroborates the previous findings in Sakamoto et al. (1991). To maximize your gains, precool your workout by doing your cold exposure prior to your workout. A relationship between testosterone and competition has been observed across all types of contests, even video games and rock-paper-scissors. However, I suspect that the reason for the correlation is because both Vitamin D synthesis and testosterone synthesis are downstream of cholesterol conversion.
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