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Berries are foods that are abundant in nutrients, especially flavonoids, that promote good health; however, the effects of total berries on mortality are not well characterized.

We evaluated whether intakes of total berries and specific berry types including blueberries, strawberries, cranberries, flavonoids, and subclasses of flavonoids (anthocyanidins, flavonols, flavones, flavanones, flavan-3-ols, and isoflavones) in relation to mortality risk in United States adults.

A nationally representative sample of the United States adult population was obtained using data from the 1994–2014 NHANES (n = 37,232). Intake of berries was estimated using 24-h food recalls (1999–2014), and flavonoids intake was calculated using the matched USDA’s expanded flavonoid database. Mortality outcomes based on 8 y of follow-up were obtained using linked death certificates.

Compared with …