As the country moves into lockdown mode in response to the COVID-19 pandemic, we are increasingly faced with serious ethical questions about what ordinary people should be obliged to do for others. These...

Life expectancy in the USA is no longer rising. This stagnation has long been largely attributed to increasing numbers of drug deaths due to the opioid crisis. But Mikko Myrskylä and colleagues have...

Infectious disease outbreaks have killed more people than hurricanes, wildfires or earthquakes. The 1918 influenza pandemic was the most severe pandemic in recent history, with death estimates ranging...