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. 2025 Dec 5;10:1688825. doi: 10.3389/fnut.2025.1688825

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Copyright © 2025 Klos, Reinhardt, Meyer, Albertsen, Thoolen, Hagson, Possnig, Enck and Mack.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Sankey diagram tracking food category consumption over five stages: Pre (T0), T1, T2, T3, and Follow-up (T4). Categories include cereals, potatoes, vegetables, fruits, and others, with varying thickness lines indicating consumption levels at each stage. — Relative changes (%) in food groups intake per day. Sankey diagram showing the share of total intake by weight contributed by each food group (% of grams) before isolation (Pre), during isolation (T1 = February, T2 = June, T3 = October), and 6 months post-isolation (Follow-up, T4). Flow widths are proportional to the percentage contribution at each time point (summing to 100% per time point).