Scientific advances in the 20th and 21st centuries have led to a major evolution in the understanding of death. At the same time, for decades, people who have survived an encounter with death have ...

Objective We aimed to quantify the female athlete composition of the research data informing the most influential consensus and position statements in treating sports-related concussions. Design We ...

Pew Research Center designed this study to assess the current state of online survey sampling methods – both probability-based and opt-in – and determine their accuracy on general population estimates ...