Following this puts new work involving it at the top of your briefing, with a note saying why it is there. Links are taken from the source record, never inferred.
A well-designed cross-sectional study in a large rural Chinese population demonstrating a dose-response association between a novel composite dietary-behavioral index and metabolic syndrome, but cross-sectional design precludes causal inference and requires prospective validation.
A prospective cohort study with adequate follow-up and Cox regression analysis showing that waist circumference improves mortality prediction over BMI, but limited by single geography, observational design, and modest absolute event count.