Today I was in a bookshop and had a look at what seems to me a great book that I promised myself to buy one day, it is by Canadian doctor Claudia Rainville: Métamédecine, (Italian version "Metamedicina". About 20 euros), a book which explains the symptoms as direct consequences of certain moods or kind of thoughts, that is, it gives a psychosomatic explanation which I found odd but also astonishingly exact at the same time.