Earlier discussion: https://news.ycombinator.com/item?id=15867918 https://news.ycombinator.com/item?id=15867918 Anecdotal, but worth sharing anyways: I read a

Earlier discussion: https://news.ycombinator.com/item?id=15867918 https://news.ycombinator.com/item?id=15867918 Anecdotal, but worth sharing anyways: I read a comment on HN in 2018 from someone who mentioned a connection between migraine and vitamin D deficiency. I started taking vitamin D after that and my migraines have decreased from once every three weeks to about three times per year.