Oh. One more point, perhaps interesting to some. I’ve been fascinated with the idea that heavy resistance training can temporarily raise testosterone levels. I believe I’ve experienced this myself, assuming my subjective impressions can be trusted.
At any rate, I observe that my father’s first, really low free T results were based on a blood sample taken 2 days after a workout with his personal trainer. The second, not quite so low (but still low) T results were based on a sample taken the day after a workout.
Consistent with my thinking, his T levels the day after a workout were higher than his levels 2 days after a workout.
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