The term "middle class" can cause confusion when Americans talk to Brits because it doesn't means the same thing in the U.S.

Class-based health inequalities are persistent in society and are, in part, driven by differences in health behaviors. Policy attempts to improve health behaviors in disadvantaged communities have had ...

Is business class "first class" on American? No, these two distinct fare classes offer two different experiences for passengers. That said, because first class isn't always available for certain ...

In this post, E. Kay Trimberger, a professor at Sonoma State University, addresses the question: How can adoptive parents cross class boundaries more gracefully? As a result of my inability to cross ...

Buying yourself an airline upgrade? Why 'first class' might not be what you think. A quick guide to understanding the differences between premium economy, business class and first class at different ...