(noun) A method, device or medication that restores good health.
"The cure for pain is in the pain."
"Friendship is the only cure for hatred, the only guarantee of peace."
"An ounce of prevention is worth a pound of cure."
"Nothing can cure the soul but the senses, just as nothing can cure the senses but the soul."
"Men will always be mad, and those who think they can cure them are the maddest of all."