Moderation is the key. "In terms of human research, studies suggesting a strong link between cruciferous vegetables and thyroid disease are limited. Type "raw cruciferous vegetables" and "thyroid" into the ncbi database and you'll find one incident from 1945 when a Chinese woman who ate 3.3 pounds of raw bok choy daily for several months and suffered myxedema. The vast majority of the research supports the consumption of cruciferous vegetables to prevent thyroid cancer".
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