(noun) A substance which specifically promotes healing when ingested or consumed in some way.
"The art of medicine consists of amusing the patient while nature cures the disease."
"There is a secret medicine given only to those who hurt so hard they can't hope."
"Good people, good memories & good surroundings are the medicine of life."
"The doctor of the future will give no medicine, but will interest his patient in the care of the human frame, in diet and in the cause and prevention of disease"