Geneva, Aug. 29 -- International Clinical Trials Registry received information related to the study (JPRN-UMIN000058632) titled 'A Study on Current Serving Sizes in Elementary School Lunches and Voluntary Adjustment of Food Intake' on Aug. 1.

Study Type: Interventional

Study Design: Single arm Non-randomized

Primary Sponsor: Niigata University of Health and Welfare

Condition: No target disease

Intervention: The intervention period after assessing the actual situation will be 16 days. Participants will be divided into two groups: one group will receive guidance on equal distribution of meals and be allowed to make adjustments after meal distribution, while the other group will receive guidance on equal distribution of meals but wil...