Why Zebras Don't Get Ulcers cover

Why Zebras Don't Get Ulcers

by Robert M. Sapolsky

Narrated by Peter Berkrot

4.13 BLT Score
(19.4K ratings)
★ 4.17 Goodreads (17.5K) ★ 4.37 Audible (2.0K)

Why You'll Love This

Your body still thinks it's being chased by a lion — Sapolsky explains why that's quietly killing you, and Berkrot makes every chapter feel like office hours with the smartest professor you never had.

  • Great if you want: science that makes stress feel urgent and understandable
  • Listening experience: cerebral but approachable — dense ideas land with dry wit
  • Narration: Berkrot matches Sapolsky's academic-but-human tone well
  • Skip if: you want actionable tips — this is biology, not self-help

Listen to Why Zebras Don't Get Ulcers on Audible →

About This Book

Zebras do not get ulcers because when a lion charges, the stress response activates, the zebra runs, and then the stress response turns off. Humans activate the same physiological mechanism for psychological threats that never resolve, and the accumulated damage causes much of the disease and misery of modern life. Robert Sapolsky's explanation of the biology of stress is one of the most readable and comprehensive popular science books on the subject, covering how stress affects the heart, immune system, reproduction, mental health, and aging.

Peter Berkrot brings the necessary patience to Sapolsky's dense but witty scientific prose, making the biology accessible without losing the depth that has made the book a standard reference. Sapolsky's sense of humor comes through in the narration, preventing what could be a grim topic from becoming oppressive. At just over seventeen hours, this is a substantial listen that rewards the investment.