Dietary Analyses in the Nurses' Health Study, Nurses' Health Study II, and Health Professionals Follow-Up Study

Inclusion Criteria: * Returned baseline food frequency questionnaires (FFQs). Exclusion Criteria: * Participants who had died or reported a diagnosis of diabetes (including type 1 diabetes, type 2 diabetes, and gestational diabetes for women), cardiovascular disease (CVD) or cancer at and before the baseline for the dietary analyses. * Participants who left more than 70 of the 131 food items blank on the baseline FFQ, reported unusual total energy intake levels (\<3,347 or \>17,573 kJ/day for men, and \<2,092 or \>14,644 kJ/day for women), or had missing baseline dietary information. * Participants who only completed the baseline questionnaire.