If exercise feels harder than it should, chronic stress may be working against you. Learn how to regulate your physiology so your body can support your fitness goals.

(CNN) — During workouts, do you think about your breathing — or does it just happen in the background? Most people understand the importance of proper exercise form, yet they often overlook the ...

Special activity trackers can be used to fairly accurately determine the respiratory rate of people while they sleep. In the future, activity trackers could be used to detect the early stages of a ...