Personality Traits and Drug Use: A Longitudinal Study Using Data from the British Cohort Study.

Introduction: Drug use is a significant health, economic and social concern globally. Research indicates that personality traits are crucial in explaining drug use. This paper contributes to the expanding literature by exploring how personality traits at age 10 affect the likelihood of having used any drug at age 30.

Predicting healthcare expenditure based on Adjusted Morbidity Groups to implement a needs-based capitation financing system.

Background: Due to population aging, healthcare expenditure is projected to increase substantially in developed countries like Spain. However, prior research indicates that health status, not merely age, is a key driver of healthcare costs. This study analyzed data from over 1.