Ideas change everything

Do gut microbes control your personality?

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Kathleen McAuliffe |

TEDxMarshallU

• February 2023

Biologist Kathleen McAuliffe dives into new research that suggests certain bacteria in your gut can influence major parts of who you are, from your personality to life-changing neurological disorders. Learn more about how this emerging science could change how we treat disease — and discover the impact of your internal microbial makeup on your mood, weight and more.

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Want to use TED Talks in your organization?

Biologist Kathleen McAuliffe dives into new research that suggests certain bacteria in your gut can influence major parts of who you are, from your personality to life-changing neurological disorders. Learn more about how this emerging science could change how we treat disease — and discover the impact of your internal microbial makeup on your mood, weight and more.

Want to use TED Talks in your organization?

This talk was presented to a local audience at TEDxMarshallU, an independent event. TED's editors chose to feature it for you.

Read more about TEDx.

About the speaker

Kathleen McAuliffe

Writer, educator

See speaker profile

Kathleen McAuliffe specializes in how microbes affect our bodies and influence how we think, feel and act.

About TEDx

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This talk was presented to a local audience at TEDxMarshallU, an independent event. TED's editors chose to feature it for you.

Read more about TEDx.