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Unhealthy Curiosity

Unhealthy Curiosity

By: Dr Sarah Holper
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Neurologist Dr Sarah Holper explores the human body's strangest features, flaws, and quirks. Using medicine, biology, history, and curious case studies, she explains why our bodies behave the way they do. From sweating blood to voice transplants, each episode examines a curious corner of human anatomy.Dr Sarah Holper Biological Sciences Science
Episodes
  • Why the Inventor of Corn Flakes Hated Flavour

    Why the Inventor of Corn Flakes Hated Flavour
    Jun 8 2026

    The inventor of Corn Flakes believed cinnamon was morally suspicious and flavour was a threat to virtue. This episode explores the strange story of John Harvey Kellogg, his wellness empire, his obsession with chewing, vibrating chairs for constipation, and why evolution made flavour far too appealing for his crusade to succeed.
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    13 mins
  • When Flight Attendants Started Sweating Blood

    When Flight Attendants Started Sweating Blood
    May 31 2026

    In 1980, flight attendants began apparently sweating blood on flights between New York and Florida. The CDC investigated. The explanation was not what anyone expected. Also featuring blue sweat, pink sweat, and the only diagnostic dilemma ever solved by a dermatologist ringing a snack-food manufacturer.
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    13 mins
  • Why Do We Itch? | The Itchy and Scratchy Show

    Why Do We Itch? | The Itchy and Scratchy Show
    May 24 2026

    This episode explores the biology of itching. Including NASA’s emergency Velcro patches, exploding lice in World War I trenches, contagious scratching, "amphetamites", mosquito mouth-javelins, and the imaginary insects produced by the human brain itself.
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    13 mins
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