We measure provider coverage networks for plans on the Massachusetts health insurance exchange using a two measures …

Opioid use is one of the most substantial and long-lasting public health crises faced by the United States. This crisis … opioids and health and healthcare, and crime outcomes in the U.S. We focus on the U.S., a country particularly hard hit by the …Our findings align with the general perception that the opioid crisis has negatively impacted a range of health …

In many health domains, we are concerned that observed links - for example, between "healthy" behaviors and good … vary over time. When a particular health behavior becomes more recommended, the take-up of the behavior may be larger among … people with other positive health behaviors. Such changes in selection would make it even more difficult to learn about …

medical preventive measures improve expected health, they do not save money. Various lifestyle and early childhood … interventions, however, may both save money and improve health. Second, preventive measures, including medical and lifestyle …, generalizations in everyday discourse about the value of prevention can be overly broad. Third, health insurance coverage for medical …