Why does running water make us want to use the toilet? episode artwork

EPISODE · May 22, 2026 · 22 MIN

Why does running water make us want to use the toilet?

from Ask the Naked Scientists · host Dr Chris Smith

Why does running water make us want to go to the bathroom? What is IQ, and can you improve it? What is a Pica craving? Why isn't sperm damaged when it's frozen? Is there any evidence that links COVID vaccines to cancer rates? Is there a test to check whether honey is authentic or adulterated? What are hempcrete building materials? Why does it take so long to enrich uranium? What causes shingles? Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists

Episode metadata supplied by the publisher feed · Published May 22, 2026

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Why does running water make us want to use the toilet?

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