rising core temperature triggers prolactin release during heating
Increases in core temperature are the key stimulus for the release of the stress hormone prolactin, as shown in both active and passive heating paradigms.
What this means for you
Prolactin is more than a reproductive hormone — it plays a role in immune regulation, stress adaptation, and recovery signaling. When core temperature rises during a heat session, the body responds by releasing prolactin, which may support your system's ability to adapt and recover from physical and environmental stress.
The published research
Effects of severe whole-body hyperthermia on ovarian hormone and extracellular Hsp72 responses in young adult women
International Journal of Hyperthermia · 2019
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