The vagus nerve, autonomic balance, neuropathy, POTS and heart rate variability. 5 evidence-based guides, each written in plain English with UK context and real citations.
Heart rate variability (HRV) explained: what RMSSD, SDNN and HF power mean, what raises and lowers it, and how to read wearable trends without obsessing.
Read guide → Nervous SystemHow brain inflammation affects mood, memory and fatigue: microglia, the cytokine theory of depression, Alzheimer's links, and what actually helps.
Read guide → Nervous SystemNumbness, tingling and nerve pain in the hands and feet: common causes, why early diabetic and B12 cases can be slowed or reversed, tests and pain relief too.
Read guide → Nervous SystemPOTS explained: the 30 bpm standing rule, symptoms, subtypes, long COVID and hEDS links, why it is mistaken for anxiety, and UK evidence-based care.
Read guide → Nervous SystemWhat the vagus nerve really does, what heart rate variability measures, and the honest evidence on slow breathing, cold, gadgets and POTS, minus the wild hype.
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