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31 August 2026

Peeing in the shower: what science actually says about it

It’s a habit millions of people share but few discuss openly. Peeing in the shower is widely considered harmless — but the reality is more nuanced, and at least one popular belief about urine turns out to be wrong.

En bref

  • Urine is not completely sterile, research confirms
  • Most healthy people face no major risk
  • Convenience and water-saving are the main reasons cited

A common habit that few people talk about openly

Peeing in the shower is one of those behaviors that rarely surfaces in serious conversation, yet a significant number of people do it regularly. The reasons most often cited are straightforward: it saves time, eliminates the need for extra toilet paper, and may reduce water consumption by avoiding an additional flush.

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