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

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

From Ask the Naked Scientists by Dr Chris Smith

May 22, 2026 · 23 min · Episode 789

About this episode

Dr Chris Smith and Clarence Ford discuss various scientific questions including the effects of running water on bathroom habits and the authenticity of honey.

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

People in this episode

Host: Dr Chris Smith

Guest: Clarence Ford

Topics covered

  • toilet behavior
  • IQ improvement
  • Pica cravings
  • sperm freezing
  • COVID vaccine and cancer
  • honey authenticity
  • hempcrete materials

Keywords

  • running water
  • toilet
  • IQ
  • Pica
  • sperm freezing
  • COVID vaccines
  • cancer rates
  • honey authenticity
  • hempcrete
  • uranium enrichment

Mentioned in this episode

Organizations: COVID, honey, hempcrete, uranium, shingles

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