Nervous System
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: what it really means and how to use it
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 SystemNeuroinflammation and brain health: what the evidence really says
How brain inflammation affects mood, memory and fatigue: microglia, the cytokine theory of depression, Alzheimer's links, and what actually helps.
Read guide → Nervous SystemPeripheral neuropathy: numbness, tingling and nerve pain in the hands and feet
Numbness, 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 and dysautonomia: when the autonomic nervous system misfires
POTS 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 SystemThe vagus nerve and autonomic balance: separating science from wellness hype
What 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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