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Dementia risk linked to nitrate in drinking water, study finds

Science Daily · Jun 8, 2026, 5:07 AM · Also reported by 4 other sources

Why this matters: new research or scientific developments with potential real-world impact.

A major long-term study of more than 54,000 adults found that where nitrate comes from may matter far more than how much you consume. People who got more nitrate from vegetables—roughly the amount in a cup of baby spinach a day—had a lower risk of developing dementia, while higher nitrate and nitrit

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