Soon after I published Food As Medicine in 2011, I received an email from a reader, who wrote about her experience with migraines and magnesium. A long-time lacto-ovo vegetarian, she told me that she took supplemental magnesium each month to control her premenstrual migraines, and that it was the only thing that worked for her. To be sure, it's been known for years that magnesium can be helpful in the prevention of premenstrual migraines. Several studies have shown that low serum magnesium is an independent risk factor for migraine headaches, and that magnesium can be used therapeutically to both prevent and treat migraines, as well as a host of other disorders characterized by spasm. She couldn't understand why she might be magnesium-deficient, however, because she ate a lot of brown rice, and had been told that brown rice was high in magnesium. According to nutritiondata.com, rice indeed tops the list of all magnesium-containing foods, at 781 mg per 100 mg. Although this refers … [Read more...]