Andrew Huberman· PhD
If you overtrain, like if you're running, running, running-- MARK HYMAN: You're draining your [INAUDIBLE]. ANDREW HUBERMAN: --your testosterone is going to be going to be diminished, for sure--
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The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
If you overtrain, like if you're running, running, running-- MARK HYMAN: You're draining your [INAUDIBLE]. ANDREW HUBERMAN: --your testosterone is going to be going to be diminished, for sure--
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a study came out that showed that lots of endurance training pretty reliably lowers testosterone in man
moderate exercise went to extreme exercise measured as 2 hours a day of vio2 80% maximum capacity so pretty heavy workouts for 12week periods so moderate to extreme and then back to moderate sperm counts fell by 40% % went like moderate to extreme and concent sperm testosterone fell by 50% and then went back up.