Mrs. wei's symptoms included chronic, worsening fatigue, muscle weakness, loss of appetite, and weight loss because her adrenal glands do not produce enough cortisol. her doctor diagnosed this condition as .

The answer would be: addison's disease

Cortisol is produced by the adrenal glands that located above the kidney. Addison's disease appears when the adrenal glands produce less cortisol than needed. The cause might be autoimmune cells attacking the glands or infection of tuberculosis.  Cortisol deficiency could be fatal in some cases, called adrenal crisis.

Ithink it's c (70)