Homeopathy (i/ˌhmiˈɒpəθi/; also spelled homoeopathy; from the Greekὅμοιος hómoios, "-like" and πάθος páthos, "suffering") is a system of alternative medicinecreated in 1796 by Samuel Hahnemann based on his doctrine of like cures like, whereby a substance that causes the symptoms of a disease in healthy people will cure similar symptoms in sick people.[1] Homeopathy is considered a pseudoscience.[2][3][4][5] It is not effective for any condition, and no remedy has been proven to be more effective than placebo.[6][7][8]