Americans’ health has long been unequal, but a new study shows that the disparity between the life expectancies of different populations has nearly doubled since 2000.

Global life expectancy has changed remarkably over the past six decades, and projections indicate that it will continue to evolve through the end of the 21st century. The United Nations World ...

A new study shows that the disparity between the life expectancies of different U.S. populations has nearly doubled since ...