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What it argues
The Upside of Stress is Kelly McGonigal's evidence-based argument that the harm of stress is mediated less by stress itself than by the belief that stress is harmful. McGonigal, a health psychologist and Stanford lecturer, begins with a striking epidemiological finding: a study of 30,000 adults found that high stress was associated with increased mortality — but only for people who believed stress was harmful. High-stress individuals who did not believe stress was harmful had lower mortality rates than low-stress individuals, regardless of how much stress they reported experiencing. This opened a question she spent a book trying to answer: what if the problem is not stress but our relationship to it?
The book covers the biology of the stress response in some depth, noting that the conventional "fight-or-flight" description is incomplete. The stress response has multiple forms: challenge, threat, tend-and-befriend, and excite-and-delight responses engage different hormonal profiles with different downstream effects. The conventional version — cortisol and adrenaline, heart rate up, performance degraded — is only one pattern, and it tends to activate in people who interpret stress as threatening. People who interpret a stressor as a challenge they can handle activate a different profile with a better cognitive and cardiovascular outcome.
What it gets right
- 1.
Believing that stress is harmful is itself a health risk: in a large longitudinal study, high-stress individuals who believed stress was harmful had increased mortality, while those who did not share that belief did not.
- 2.
The stress response has multiple biological profiles: the challenge response (mobilizing resources for a task) differs from the threat response in its hormonal composition and produces better cognitive and cardiovascular outcomes.
- 3.
Stress mindset reappraisal — interpreting stress arousal as energy rather than anxiety — changes biological stress response, not just subjective experience, improving performance and reducing physiological damage.
What it covers
Who wrote it
Kelly McGonigal is a health psychologist, lecturer at Stanford University, and science director for the Stanford Center for Compassion and Altruism Research and Education. She holds a PhD in psychology from Stanford and is the author of The Willpower Instinct and The Joy of Movement. Her 2013 TED Talk on the upside of stress became one of the most-viewed TED Talks of all time, prompting her to expand the argument into this book. McGonigal is also a yoga and meditation instructor and integrates contemplative practices with her scientific work.
