The Average Human Produces Enough Saliva in a Lifetime to Fill Two Swimming Pools
General Trivia
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Question 1 of 5
How much saliva does the average person produce per day?
Your mouth is surprisingly productive: the average person produces around 1–1.5 liters of saliva every single day. Over a 70-year lifetime, that adds up to approximately 25,000–50,000 liters of saliva — more than enough to fill two average swimming pools.
Saliva is essential for digestion, protecting tooth enamel, and fighting bacteria. It contains enzymes like amylase that begin breaking down carbohydrates before they even reach your stomach. Without adequate saliva production, eating and speaking become extremely difficult.
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