decreased circulating insulin-like growth factor I level
decreased circulating leptin level
decreased circulating levels of thyroid hormone +
decreased circulating mineralocorticoid level +
decreased circulating noradrenaline level
less than the normal blood amount of the hormone secreted by the adrenal medulla and acts as a neurotransmitter in the sympathetic peripheral nervous system and in some tracts of the CNS; noradrenaline is the demethylated biosynthetic precursor of epinephrine