Front Cover.

This article, titled "Front Cover," is based on a study conducted in China called the China Cardiometabolic Disease and Cancer Cohort (4C) study. The study examines the relationship between body size, insulin sensitivity, metabolic health, and the risk of cardiovascular disease in Chinese adults. The study involved a large number of participants and provides insights into these important health factors. The article is authored by a diverse group of researchers and provides valuable information for individuals conducting research on these topics. [Extracted from the article]