A Danish study found that women with hyperthyroidism have 11 percent increased risk for breast cancer compared to women with normal thyroids. On the other hand, women with hypothyroidism have reduced breast cancer risks by 6 percent.
A Danish study found that women with hyperthyroidism have 11 percent increased risk for breast cancer compared to women with normal thyroids. On the other hand, women with hypothyroidism have reduced breast cancer risks by 6 percent.