‘Hummmmm,’ I sing to myself as I exhale loudly. Then I take a big breath in, feel my ribcage expand and hum again. Next, my hands gently stroke my jaw and chin, then float to my forehead for more ...

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 ...

The sympathetic nervous system, which helps your heart and other vital organs function all the time, increases activity in response to danger or stress, preparing the body for extra demands. Stress is ...