This study, authored by Maria Wennberg and colleagues, evaluates the validity and reproducibility of FFQ2020, a modernized digital food frequency q

This study, led by Dong Zhao and Yiying Gong, evaluates the validity of a 64-item food frequency questionnaire (FFQ) used to assess food and nutrie

This study, led by Sukyoung Jung and colleagues, develops and validates a Sustainable Diet Index for US adults (SDI-US).