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.

Each part of the nervous system uses internal checks and balances to regulate its activity, responding to various factors like mood, health status, and the external environment.¹ These regulatory ...

Add Yahoo as a preferred source to see more of our stories on Google. If you're like us, you go through your days feeling like there just aren't enough hours to get everything done. You hit the sack ...

Hormones are a crucial part of the body's signaling system, and the controlled release of these compounds affects tissues around the body. Each of these hormones induces specific responses from these ...

(CNN) — Many people approach fitness with the same assumption: If they just train harder, stay consistent and push through discomfort, results will follow. But for countless exercisers, effort isn’t ...