Overview : issues and options for an aging population / David I. Shactman and Stuart H. Altman -- An international perspective on policies for an aging society / Jonathan Gruber and David A. Wise -- Budget estimates : what we know, what we can't know, and why it matters / Henry J. Aaron --...

Over the last two decades, the number of delivering mothers using or dependent on opiates has increased dramatically, giving rise to a five-fold increase in the proportion of babies born with neonatal abstinence syndrome (NAS). First, the current study documents NAS trends in the United States...