is a specific kind of: disorder, upset.

is a broader term that covers: hyperparathyroidism | hypoparathyroidism | hyperpituitarism | Addison's disease, Addison's syndrome, hypoadrenalism, hypoadrenocorticism | adenopathy | aldosteronism, hyperaldosteronism | Cushing's disease, hyperadrenalism | Cushing's syndrome, hyperadrenocorticism | hyperthyroidism, thyrotoxicosis | hypothyroidism.