It’s only the size of a pea, but the pituitary gland is so important it’s often called the body’s master gland. So when it doesn’t work right, big problems literally and figuratively arise. Jim ...

LOS ANGELES Many of us suffer from fatigue, headaches, infertility and weight gain. Most of us would never think those symptoms could possibly add up to a brain tumor. Pituitary disorders may affect ...

Hypopituitarism is a rare disorder of the endocrine system, which is responsible for hormone production. The condition develops when the pituitary gland does not make enough hormones. Hypopituitarism ...

Hypopituitarism is a health condition in which there is a reduction in the production of hormones by the pituitary gland. The pituitary gland is located at the base of the brain and is responsible for ...

A recent study found that tumors of the pituitary gland are more common than many health care professionals realize, with national prevalence rates averaging 16.7 percent. To neurosurgeon Dr. Gail ...

Secondary adrenal insufficiency is one type of a condition where your adrenal glands don’t produce enough of the hormone cortisol. Without treatment, it can be life threatening. Most people with ...

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For permission requests, please contact NEJM Reprints at [email protected] In spite of great progress in the knowledge of the chemistry and physiologic function of the pituitary hormones no truly ...