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Migraine Aura: Blind Spots, Zigzag Lines, Tunnel Vision, and What Your Brain Is Actually Doing 

Migraine Aura: Blind Spots, Zigzag Lines, Tunnel Vision, and What Your Brain Is Actually Doing 

Most people who experience migraine aura have had it for years before recognizing what it is. The blind spots, zigzag lines, and tunnel vision are the most familiar patterns, but research documents 34 distinct aura signals, many of which look nothing like the classic visual disturbances. What all of them share is the same underlying mechanism: a wave of electrical activity called cortical spreading depression moving across the brain, shifting ions as it travels. Understanding what each pattern looks like, how long it lasts, and why some auras never produce a headache gives you something more useful than a diagnosis, it gives you a window to act.

by Health By Principle on October 06, 2026  in auras, Guide to Explaining Migraine, migraine, Migraine Aura, migraines misunderstood, stages of migraine
What Causes Migraines? What the BBC Got Right — and What It Missed

What Causes Migraines? What the BBC Got Right — and What It Missed

The latest BBC article on migraines confirms what we've known for years: triggers are often symptoms, not causes. But while science focuses on downstream mechanisms like CGRP and electrical waves, they're still not addressing the root issue, brain energy and electrolyte failure. Here's what they're missing, and why it matters.

The Postdrome Phase of a Migraine

The Postdrome Phase of a Migraine

This blog explores the postdrome phase of a migraine, often called the “migraine hangover.” It explains what happens after the pain fades—fatigue, brain fog, mood shifts, and more—and why these symptoms are a normal part of the migraine cycle. You'll learn common postdrome symptoms, how to manage recovery through rest, hydration, and nutrition, and why understanding this phase is key to full support and prevention. It’s a must-read for anyone looking to better manage or support someone through every stage of a migraine.

by Health By Principle on July 15, 2025  in brainfog, fatigue, migraine, postdrome, stages of migraine

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