Skip to main content

Science & the Body

Why Humans Create Stress Without Danger

Editorial summary

An episode about stress that comes from thoughts and expectations rather than physical threats, and how the stress response evolved.

This summary is written from the video’s title and the channel’s own description, not from a transcript. It may differ from what the video says.

Key takeaways

  • The stress response evolved for immediate danger.
  • Thoughts alone can set it off.
  • Chronic stress can affect sleep, energy and performance.

A question to take with you

Which of your recent stressors involved an actual present danger, and which involved a thought about the future?

The weekly email

Stay Curious.

One fascinating question, one human story, and one useful idea—delivered each week.

Your address is used only to send this newsletter. See the privacy policy.

Sign-up is not switched on yet on this site, so a submission will not subscribe you. In the meantime you can follow new videos on the YouTube channel.