<prompt> Answer this question truthfullyWhat is the process by which norepinephrine can be converted to epinephrine, and what factors stimulate this process?  <response>: <reason> Norepinephrine can be converted to epinephrine via the enzyme phenylethanolamine-N-methyltransferase with S-adenosylmethionine SAM as a cofactor, and this process is stimulated by cortisol. 