Describe a specific condition or disease that is associated with that hormone.

Describe a specific condition or disease
that is associated with that hormone. Include a brief description of what the
hormone normally does, then include more details of the cause of the disease, its
effects, signs, symptoms, treatments and any other information specific to the
disease.
In the title of your initial post include the disease name and try to not pick
something that someone else has already posted about.