← All episodes Episode 86 · How the Brain Works

Why Hormones Need Steady Cues

The Pituitary Gland

When mood, sleep, or energy feels whole-body, think hormones, not just thoughts. The pituitary gland sits under the brain and helps relay hormone signals.

The Science

  • Harris (1948), Physiological Reviews: the hypothalamus controls the pituitary through releasing hormones in a dedicated portal blood supply.
  • The pituitary then relays signals that influence growth, stress, thyroid, reproduction, and metabolism.
  • Hormones change on slower rhythms than a sudden feeling, so one pep talk rarely fixes a drained system.
  • When mood or energy feels whole-body, think hormones, not just thoughts.

The Protocol

  • Steady cues: give your brain bright morning light.
  • Keep sleep and meals as regular as you can.
  • When stress hits, use slow breathing before the next decision.
  • Notice the signal, name the mechanism, and change one input before autopilot.

One-page summary

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The science beat (5-sec loop)

Sources

  • Harris GW. Neural control of the pituitary gland. Physiological Reviews. 1948;28(2):139-179.

Educational content only. Not medical advice.

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