Background: Mendelian Randomization is a type of instrumental variable (IV) analysis that uses inherited genetic variants as instruments to estimate causal effects attributable to genetic factors. This study aims to estimate the impact of obesity on annual inpatient healthcare costs in the UK...

This chapter explores trends, causes and consequences of nonmarital and teen fertility in the United States and in selected European countries. First, we describe some key factors, including changes in economic institutions and family planning technologies, that likely contribute to the large...