Researchers explain how prolonged stress and malnutrition affect hair’s life cycle and accelerate scalp aging.

The autonomic nervous system (ANS) plays a major role in maintaining homeostasis through key adaptive ... In homeostasis, heart function is tightly controlled by sympathetic activation of the ...

Background: Autonomic nervous system (ANS) dysfunction has been suggested to contribute to the high prevalence of cardiovascular complications in individuals with anorexia nervosa (AN), yet has not ...

The vagus nerve is so named because it “wanders” like a vagabond, sending out sensory fibers from your brainstem to your ...

Neurochemical evidence of cardiac sympathetic activation and increased central nervous system norepinephrine turnover in severe congestive heart failure. J. Am. Coll. Cardiol. 23(3), 570–578 (1994).

The sympathetic nervous system is involved in the “fight or flight” response in stressful situations ... Researchers measured the levels of neuropeptide Y and another neurotransmitter called ...

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 ...

The nervous system is a complex network of neurons and cells that carry messages to and from the brain and spinal cord to various parts of the body. A sponge-like implant in mice helped guide a ...

Feb. 19, 2025 — Researchers have found that a cancer outside the brain makes electrical connections with the nervous system to fuel cancer growth and aid its ...

The locus coeruleus is emerging as a major new area of research interest, with many important functions such as regulating ...

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

Feb. 6, 2025 — As the U.S. Food and Drug Administration weighs whether to require front-of-package food labels, a new study shows some food labels designed to nudge Americans toward healthier ...