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June 15, 2026
What's coming out of your tap
One story this week, and it's worth your attention. A large new study looked at nitrates in drinking water and found a link to dementia risk — we walked through what the researchers actually measured, what it means for your own tap, and the simple steps that put you back in control.
Nitrates in Your Drinking Water and Dementia Risk: What the New 54,000-Person Study Found
A 54,000-person Danish study followed for up to 27 years found that nitrates from drinking water raised dementia risk at concentrations as low as 5 mg/L — well below the US EPA limit of 10 mg/L and the EU limit of 50 mg/L.
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