By all means make the most of mistletoe over the next few days, but pay no attention to the claims of the pathetic remnant which used to call itself the Liverpool Homeopathic Hospital but is now just a "department" at the Old Swan Health Centre. On its website it states that it runs "a complementary cancer clinic offering treatment with homeopathic remedies and Iscador".
The manufacturers of Iscador assert, probably illegally and certainly without justification, that their product is a "mistletoe cancer treatment", the most frequently used of all such remedies in the world. Mistletoe, of course, has no connection with homeopathy, but quackeries generally support each other; the association of these two stems from one of the loony beliefs of the mystic quack Rudolf Steiner, who considered that mistletoe was a cancerous disease of trees, and therefore that, on the homeopathic Principal of Similars, cancer in humans could be cured by injections of a substance obtained from mistletoe.
The ancient pagan myths about mistletoe are more interesting and much more likely to be accurate than this pernicious drivel.