Part 3 of Do broccoli sprouts treat migraines?

This 2019 Swedish review subject was the role of inflammation in migraines:

“In this article, we argue that inflammation could have an important role in migraine chronification through a mechanism termed neurogenic neuroinflammation, a phenomenon whereby activation of trigeminal sensory pathways leads to an orchestrated inflammatory response involving immune cells, vascular cells and neurons.

No studies to date have directly linked hypothalamic neuroinflammation with migraine, and we therefore looked to other studies. Overactivity of the NF-κB–IKKβ signalling pathway has been shown to be a critical modulator of hypothalamic inflammation.

We do not believe that CNS inflammation is involved in the triggering of migraine attacks, as BBB alterations, glial cell activation and leukocyte infiltration have not been observed in individuals with this condition. Peripheral sensitization is an important factor in migraine chronification, as opposed to migraine triggering.”

https://www.nature.com/articles/s41582-019-0216-y “Does inflammation have a role in migraine?” (not freely available)

See Reevaluate findings in another paradigm for other views of hypothalamic inflammation.


I came across this review through its citation in the 2020 medical paper The fifth cranial nerve in headaches with the same lead author:

“Reduced serotonergic transmission seems to be involved in medication overuse headache development, possibly through a facilitation of the sensitization process via a maladaptive plasticity. In humans, common neurophysiological investigation of central sensitization shows an abnormal cortical response to repetitive sensory stimuli, with an increased response amplitude after low numbers of stimuli and a lacking habituation, suggesting an altered plasticity.

Neurons, under repetitive, persistent nociceptive stimuli, become sensitized and produce exaggerated and prolonged responses to lower threshold stimuli. Over time, a neuroplastic adaptation in medullary and cortical pain areas causes a shift in the pain modulatory system creating a new threshold and favouring a net pain facilitation rather than pain alleviation.

Targets are almost exclusively found in the nerves of trigeminal ganglion; the hub of the fifth cranial nerve. Although we believe that the headache-trigger most likely have the origin in the CNS, this review underscores the importance of trigeminal neurons in the perception of pain.”

This second paper listed various treatments of symptoms. It was remarkable for no focus on treatments of causes.


Per Parts 1 and 2, I rarely get headaches anymore, much less migraines. 23 weeks of eating a clinically relevant amount of broccoli sprouts every day resolved causes for me. I didn’t appreciate how migraines and many other things changed until awakening during Week 9.

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