Medicaid is one of the most costly welfare programs available to immigrants. This paper uses data from the 1989 to 1992 National Health Interview Survey to compare the effects of Medicaid eligibility on public and private health insurance coverage and on the utilization of medical services among...

One in twelve Americans suffers from asthma and its annual costs are estimated to exceed $50 billion. Simultaneously, the root causes of the disease remain unknown. A recent hypothesis speculates that maternal vitamin D levels during pregnancy affect the probability the fetus later develops...