Exploring the Link Between the Triglyceride-Glucose Index and Hypertension Incidence in Japanese Adults

Study Background and Disease Burden

Hypertension remains a significant public health challenge, contributing to increased morbidity and mortality worldwide. In Japan, the prevalence of hypertension among adults is notably high, with estimates suggesting that approximately 43% of the adult population lives with high blood pressure. The rising incidence of hypertension is closely linked to lifestyle factors, including diet, physical inactivity, and metabolic disorders such as obesity and diabetes. Given the established role of metabolic disorders in the pathogenesis of hypertension, identifying reliable biomarkers that can predict hypertension risk is crucial for public health interventions and clinical management.

The triglyceride-glucose (TyG) index, a simple composite marker derived from triglyceride and glucose levels, has gained attention in recent years. Studies have suggested that it may serve as a surrogate marker for insulin resistance and cardiovascular risk. This investigation aimed to clarify the relationship between the TyG index and the incidence of hypertension among the Japanese population through a population-based observational study.