The brain is not protected from the body's inflammatory signals. Research over the past two decades has established that chronic low-grade inflammation is a significant contributor to depression, anxiety, cognitive decline, and neurodegenerative disease. Inflammatory cytokines cross the blood-brain barrier, alter neurotransmitter production, and impair the neural circuits that regulate mood and memory. This collection covers the evidence linking systemic inflammation to mental health, from stress-induced CRP rises to the long-term inflammatory burden in conditions like Alzheimer's disease.
Elevated CRP and IL-6 are found in a significant subset of people with depression, pointing to inflammation as a biological driver, not just a symptom.
ConditionsChronic anxiety activates the HPA axis and sympathetic nervous system in ways that sustain elevated inflammatory markers over time.
ScienceMicroglial activation and blood-brain barrier dysfunction create a neuroinflammatory state that impairs cognition, mood, and mental resilience.
LifestyleProlonged psychological stress keeps cortisol and inflammatory cytokines elevated, creating a feedback loop that is hard to break without intervention.
LifestyleSocial isolation reliably predicts higher inflammatory markers, with effects on CRP comparable to other well-established lifestyle risk factors.
ConditionsChronic neuroinflammation is now considered a central mechanism in Alzheimer's disease, not merely a downstream consequence of amyloid accumulation.
ConditionsInflammatory signaling in the gut and brain appear to play a role in the progression of Parkinson's disease, opening new avenues for early detection.
Sensa is a general wellness device that measures your CRP levels at home. Tracking your inflammatory baseline over time gives you actionable data to support mental and cognitive health.
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