Why did life expectancy decline in the United States in 2015? A gender-specific analysis

In 2015, age-adjusted mortality rates increased for 8 of the 10 leading causes of death in the United States. As a result, life expectancy declined by 0.17 years for both women and men. The decline could be just an anomaly, or it could represent the start of a new trend of stagnation or decline in life expectancy, as some scholars have warned. The first step is to determine the sources of the decline. In this study we analyze the contribution of...