People with Cushing's syndrome have high levels of ...

Cushing's syndrome is caused by either excessive cortisol-like medication such as prednisone or a tumor that either produces or results in the production of excessive cortisol by the adrenal glands. About two to three people per million are affected each year. It most commonly affects people who are 20 to 50 years of age.Women are affected three times more often than men.