For once, it might be time to step things down. If it feels impossible to make it to 10,000 steps a day — a guideline that comes not from science but a wildly successful 1960s marketing campaign in ...

When I was a faculty member, case studies were one of my favorite tools in the classroom. They invited students to wrestle with real-world problems, practice decision-making and see how abstract ideas ...

When I first encountered fitness-tracking watches, I was deeply skeptical. Even as their sensors have improved, I have worried that the device makers’ health claims are poorly justified. For example, ...