Imagine you're a researcher studying how sleep affects mood. To explore the connection, you would look at two key "variables": sleep (how much someone gets) and mood (how happy or irritable they feel) ...

In the article that accompanies this editorial, Lu et al 5 conducted a systematic review on the use of instrumental variable (IV) methods in oncology comparative effectiveness research. The main ...

The National Academies of Sciences, Engineering, and Medicine will establish an ad hoc committee to assess the use of the social constructs of race and ethnicity in biomedical research. The study will ...