Whereas too little cortisol causes the life threatening Addison’s disease that President Kennedy suffered from, too much cortisol suppresses the immune system, breaks down tissues and has a catabolic effect that in extreme cases can lead to Cushing’s syndrome. ...
Hypothyroidism or other endocrine disorders, such as Cushing's syndrome.Hypothyroidism is when your dog's thyroid gland doesn't make enough thyroid hormone for them to function well. Cushing's syndrome is when your dog's adrenal glands make more of a hormone calledcortisolthan your dog needs. ...