Hashimoto’s Thyroiditis Hashimoto's Disease. Consumer Information Sheet Hashimoto’s Thyroiditis Hashimoto’s Disease leading cause symptoms five people out of 100 leading cause Hashimoto’s NIDDK (NIH) leading cause Hashimoto’s Hashimoto's disease The National Institutes of Health The National Institutes of Health NIDDK symptoms symptoms Hashimoto’s disease Hashimoto’s Disease