Common causes of shortness of breath include physical deconditioning, obesity, anxiety, asthma, heart failure, heart attack, COPD, and pneumonia. However, feeling out of breath when walking short ...

When you take a walk, you probably focus on your pace, your step count or the scenery around you. But have you ever paid attention to how you breathe while walking? The way you breathe can ...

Even if you can run a 5K with ease, crush a 45-minute spin session, or power through a HIIT class, that looming flight of stairs can make you really start to doubt your fitness prowess—especially when ...

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. If your everyday walks ...

You might feel shortness of breath in a number of situations, like when you go all-out in a high-intensity interval training class or when you’re rushing to work after you hit snooze too many times.