Despite a substantial increase in world population, more people live longer and fuller lives today than ever before in human history. The developing world has achieved gains in the last 30 years that took the industrial world a century. Despite remarkable improvements in all the important...

Despite a substantial increase in world population, more people live longer and fuller lives today than ever before in human history. The developing world has achieved gains in the last 30 years that took the industrial world a century. Despite remarkable improvements in all the important...