Why Winter Worsens Migraines and How to Prevent Them
Dr. Joseph Mercola - Take Control of Your Health
Briana Mercola
4.6 • 1.6K Ratings
🗓️ 23 January 2026
⏱️ 8 minutes
🧾️ Download transcript
Summary
- Winter worsens migraines because cold, darkness, and routine disruption overload your nervous system and reduce your brain's ability to regulate pain signals
- Seasonal drops in light exposure disrupt melatonin and circadian rhythm, lowering your brain's resilience and increasing headache frequency and intensity
- Excess LA from seed oils damages mitochondrial energy production, making your brain more reactive to stress and more prone to migraine attacks in any season
- Stable daily patterns — consistent sleep timing, hydration, meals, and movement — reduce neurological stress and raise your migraine threshold
- Restoring cellular energy by lowering LA intake and supporting mitochondrial function helps your brain stay calm, resilient, and less reactive year-round
Transcript
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| 0:00.0 | What if your winter headaches aren't random at all, but the predictable result of cold, |
| 0:04.0 | darkness, and hidden dietary fats quietly lowering your migraine threshold? |
| 0:09.0 | Welcome to Dr. Mercola's cellular wisdom. Stay informed with quick, easy-to-listen |
| 0:14.0 | summaries of our latest articles, perfect for when you're on the go. No reading required. |
| 0:19.0 | Subscribe for free at Mercola.com for the latest health insights. Hello and welcome to Dr. Mercola's |
| 0:25.3 | cellular wisdom. I'm Ethan Foster. Today we're looking at why migraines often |
| 0:30.7 | intensify in winter and how stabilizing your daily patterns and cellular energy, especially |
| 0:36.5 | by lowering linohleic acid or LA, can raise your |
| 0:40.1 | resilience. |
| 0:41.3 | I'm Alara Sky. |
| 0:43.0 | Migraine is a neurological condition, and winter stacks multiple stressors at once. |
| 0:48.0 | Colder temperatures, shorter days, drier indoor air, and shifts in routine. |
| 0:53.1 | None seem huge alone, but together they overload your nervous system and make pain signaling easier to trigger. |
| 0:59.0 | Cold constricts blood vessels and can irritate the trigeminal nerve, |
| 1:03.0 | so even simple transitions from a warm room to outdoor air provoke symptoms. |
| 1:08.0 | Temperature swings repeatedly force vessels to expand and contract, |
| 1:12.7 | lowering your activation threshold. If your commute or quick trips outside regularly set off pain, |
| 1:18.7 | that pattern fits the vascular strain described here. |
| 1:22.0 | Indoor heating dries the air and nudges you toward mild dehydration. Thicker blood and lower |
| 1:27.3 | volume make it harder to |
| 1:28.5 | deliver oxygen and nutrients efficiently. That physiological stress amplifies headache intensity |
| 1:34.7 | and maintains a background vulnerability that winter exploits. Reduce sun exposure means lower |
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