During stress, the sympathetic nervous system releases norepinephrine, which weakens macrophages' ability to reduce inflammation by impairing their cleanup of dead cells. "Our findings suggest ...

Alpha receptor agonists are substances that activate the sympathetic nervous system by stimulation of alpha receptors, similar to the effects of epinephrine and norepinephrine. Alpha receptors are ...

When love enters our lives, a series of neurotransmitters and hormones activate key regions of the brain. Below, ten signs ...

Overstimulation of the sympathetic nervous system is believed to contribute to mortality. Beta-blockers have recently been added to the standard of care for patients with New York Heart ...