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Nitrate and nitrite intakes were derived from food frequency questionnaires and nitrate and nitrite databases.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>RESULTS<\/jats:title>\n                    <jats:p>Higher plant\u2010sourced nitrate intake was non\u2010linearly associated with lower rates of incident dementia (fifth vs first quintile hazard ratio 95% confidence interval: 0.90 [0.83, 0.98]), while increased risk was seen for higher intakes of animal\u2010sourced, additive\u2010permitted meat\u2010sourced, and tap water\u2010sourced nitrate. Similar associations were seen for source\u2010specific nitrite intake and were more pronounced for early\u2010onset dementia. No clear effect modification was observed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>DISCUSSION<\/jats:title>\n                    <jats:p>These findings highlight the importance of nitrate source in dementia risk and warrant further investigation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Highlights<\/jats:title>\n                    <jats:p>\n                      <jats:list list-type=\"bullet\">\n                        <jats:list-item>\n                          <jats:p>Plant nitrate is associated with a lower risk of incident and early\u2010onset dementia.<\/jats:p>\n                        <\/jats:list-item>\n                        <jats:list-item>\n                          <jats:p>Animal and tap water nitrate are associated with an increased risk of dementia.<\/jats:p>\n                        <\/jats:list-item>\n                        <jats:list-item>\n                          <jats:p>Encouraging consumption of plant\u2010based nitrate sources may lower risk of dementia.<\/jats:p>\n                        <\/jats:list-item>\n                      <\/jats:list>\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/alz.70995","type":"journal-article","created":{"date-parts":[[2025,12,19]],"date-time":"2025-12-19T11:38:19Z","timestamp":1766144299000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Source\u2010specific nitrate intake and incident dementia in the Danish Diet, Cancer and Health Study"],"prefix":"10.1002","volume":"21","author":[{"given":"Catherine P.","family":"Bondonno","sequence":"first","affiliation":[{"name":"School of Medical and Health Sciences Edith Cowan University  Joondalup Western Australia Australia"},{"name":"Medical School, Royal Perth Hospital The University of Western Australia  Perth 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