Example analysis
Everyone should drink 8 glasses of water a day.
Our sources believe this claim is false.- Summary: The claim that everyone should drink exactly 8 glasses (8 oz each) of water daily is not supported by current scientific evidence. The News Medical article explains that the 8‑glass rule originated from a 1941 guideline that was later oversimplified, and modern recommendations from the National Academies suggest total water intake of about 3.7 L for men and 2.7 L for women, including water from food, with needs varying by age, activity, climate, and health.
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