Apple's New App: Can Deep Breathing Lower Stress?

A new app from Apple coaches you through breathing exercises, but do these exercises really help reduce stress? This week, Apple announced a number of new features for the Apple Watch, including an app due out this fall called Breathe, which will "encourage users to take a moment in their day to do deep breathing exercises for relaxation and stress reduction," the company said in a statement. The watch can track a user's heart rate, and so at the end of a session, users will see a summary of the