How the brain's little blue dot regulates your sleep
The locus coeruleus is emerging as a major new area of research interest, with many important functions such as regulating ...
Healio9 年
Alpha Agonists
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 ...
来自MSN23 天
Psychological Stress Weakens Immunity For Up To A Week.
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 ...
Intrigue on MSN4 个月
Why Stress Speeds Up Hair Greying—And Scientists Have Finally Discovered How
The researchers eventually focused on the sympathetic nervous system, and that’s where ... these nerves release ...