A recent study found that a common upper-body stretch can quickly lower blood pressure. We spoke to an expert about how you ...

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 ...

The autonomic nervous system innervates all body organs, including the cardiovascular system. Smooth muscle in arteries, arterioles, and veins and pericytes in capillaries receive autonomic ...

Parapluie. That's the French word for umbrella. Para means against. Pluie means rain. A parapluie keeps a rainstorm from getting you soaking wet. Parasympathetic. That is the name of the system that ...

Medically accurate illustration of the vagus nerve. Source: Sebastian Kaulitzki/Shutterstock This Psychology Today blog post is phase three of a nine-part series called "The Vagus Nerve Survival Guide ...