Association between grain intake and prostate-specific antigen: A cross-sectional study from US men.

ABSTRACT: Previous studies investigating the association between grain intake and prostate-specific antigen (PSA) levels have yielded inconsistent results. This study aimed to clarify the associations between whole grain and refined grain intake and serum PSA levels. We analyzed cross-sectional data from the National Health and Nutrition Examination Survey for the years 2001 to 2010. The study population comprised male participants aged 40 years and older, consistent with the National Health and Nutrition Examination Survey PSA measurement protocol. This dataset included complete demographic characteristics, grain intake data, and PSA measurements. 5639 participants were ultimately included. Multivariate weighted linear regression analyses revealed a significant inverse association between whole-gra

SUBMITTER: Xie H 

PROVIDER: S-EPMC12727424 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature