Drug side-effects are so bad women end treatment and risk return of cancer

Why do so many postmenopausal women who are treated for oestrogen-sensitive breast cancer stop using aromatase inhibitors that help prevent the disease from recurring? The first study to actually ask the women themselves, as well as the largest, most scientifically rigorous study to examine the question, carried out at Northwestern University, USA reports that 36 percent of women stop treatment early because of the medications