cold-induced norepinephrine may help calm brain immune cell activation linked to neuroinflammation
Pro-inflammatory molecules including TNF-alpha and E2 series prostaglandins can cross the blood-brain barrier and activate microglia, and cold-stress-induced norepinephrine may attenuate this neuroinflammatory process.
What this means for you
Chronic low-grade brain inflammation is increasingly linked to cognitive decline and accelerated aging. Cold stress naturally raises norepinephrine, a signaling molecule that may help quiet overactive brain immune cells — supporting clearer thinking, mood stability, and long-term brain resilience as you age.
The published research
Exploring Cryotherapy, ColdWater Immersion, and Cold Stress
· 2015
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