My brother teaches middle school social studies, a job that requires him to give lots and lots of feedback. Some of it is called grading. A big part of his job is to teach kids to do a careful ...

It’s no secret that regular exercise is great for the body and the brain. Scientific studies have shown, time and time again, that physical activity has both short and long-term cognitive benefits, ...

Sign up for CNN’s Fitness, But Better newsletter series. Our seven-part guide will help you ease into a healthy routine, backed by experts. It’s common knowledge ...