Ambient air pollution and Alzheimer's disease and other dementias: a global study between 1990 and 2019.

BMC Public Health · 2025 · PMC11781054 · PMID 39881284

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an increasing trendno p-value reported

Such an increasing trend may be partially attributable to the ageing population and the improvement in diagnostic tests for neurological diseases, in addition to potential risk factors [ 20 ].

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a decreasing trendno p-value reported

The global ambient PM 2.5 and NO 2 concentration showed a decreasing trend between 1990 and 2019, and the corresponding AAPC was − 0.33% (95%CI: -0.49% to -0.17%) for PM 2.5 and − 0.14% (95%CI: -0.23% to -0.05%) for NO 2 (Table 1 , Figure S5 ).

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