Thyroid Cancer (Article)
It is helpful for singing teachers to have a basic familiarity with the nature, evaluation, and treatment of thyroid cancer, a relatively common form of the disease. Normal thyroid hormone levels are important to laryngeal function, so thyroid damage even from medical cancer treatment can cause voice problems in singers, but it will not necessarily end a vocal career. (posted 2:34 PM, August 27, 2014)

The Effect of Hormones on the Voice (Article)
It is important for singers and teachers to be familiar with the body_x0090_s major hormones and their effect on vocal fold function. The authors first focus on aspects of the female voice (such as the effects of the menstrual cycle) and explore issues relevant to all singers, including the effects of thyroid hormones and pituitary gland hormones. (posted 2:34 PM, August 27, 2014)