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    Science FridayA Little Grime Can Boost Kids’ Health. But What Kind?
    17 minEpisode 1235

    A Little Grime Can Boost Kids’ Health. But What Kind?

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    You may have heard that a little dirt is good for kids. It helps them build up their immune systems, and sets them on a path to future health. But what kind of filth does the trick?

    Producer Kathleen Davis digs into the latest science on the benefits of exposing kids to the outdoors with microbiologist Jack Gilbert and pediatric epidemiologist Amber Fyfe-Johnson.

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    © Science Friday and WNYC StudiosLength 17 min16 February 2026Episode 1235ScienceFactsEducationalUSAEpisodic

    Agricultural Bees, China’s Energy Future, Frankenstein In Class. Feb 2, 2018, Part 1

    Agricultural Bees, China’s Energy Future, Frankenstein In Class. Feb 2, 2018, Part 1

    This is an episodic podcast, so you can listen to it in any order, but episode one is a great place to start.

    Listen to episode one here
    11+ScienceFactsEducationalUSAEpisodic16 February 2026© Science Friday and WNYC Studios

    You may have heard that a little dirt is good for kids. It helps them build up their immune systems, and sets them on a path to future health. But what kind of filth does the trick?

    Producer Kathleen Davis digs into the latest science on the benefits of exposing kids to the outdoors with microbiologist Jack Gilbert and pediatric epidemiologist Amber Fyfe-Johnson.

    Guests:

    Dr. Jack Gilbert is a microbiologist and professor at the Scripps Institution of Oceanography and in the department of pediatrics in UC San Diego School of Medicine.

    Dr. Amber Fyfe-Johnson is an associate professor and pediatric epidemiologist at Institute for Research and Education to Advance Community Health at Washington State University.

    Transcripts for each episode are available within 1-3 days at sciencefriday.com.

    Subscribe to this podcast. Follow our show on Instagram, TikTok, Facebook, and Bluesky @scifri and sign up for our newsletters. Got a science question that’s keeping you up at night? Call us: 877-472-4374

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    © Science Friday and WNYC Studios |Original Episode URL. The content, artwork and advertising within this podcast is not owned or affiliated with Sound Carrot and remain the property of their respective owners.


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