vagus nerve
dizziness
pppd
Chronic Dizziness Without a Diagnosis: PPPD and the Vestibulo-Autonomic Link
When the workup is "normal" but the dizziness persists, the answer is often PPPD — a chronic functional vestibular disorder driven by a brain stuck in postural threat detection, with autonomic and vagal dysregulation as the engine.
By VagusSkool Team
May 11, 2026