Laudanum his "archanum" or "laudanum", may or may not have contained opium. Paracelsus' laudanum was strikingly different from the standard laudanum of the 17th century and beyond, containing crushed pearls, musk, amber, and other substances. One researcher has documented that "Laudanum, as listed in the "London Pharmacopoeia" (1618), was a pill made from opium, saffron, castor, ambergris, musk and nutmeg". Laudanum remained largely unknown until the 1660s when English physician Thomas Sydenham (1624–1689) compounded a proprietary opium tincture that he also named laudanum, although it differed substantially from the laudanum of Paracelsus. In 1676 Sydenham published a seminal work, "Medical Observations
Anthroposophic medicine the cycles of reincarnation", and that adherence to this belief led to a 2008 pertussis outbreak in a Californian Waldorf school, causing its temporary closure. Anthroposophic medicine Anthroposophic medicine (or anthroposophical medicine) is a form of alternative medicine. Devised in the 1920s by Rudolf Steiner (1861–1925) in conjunction with Ita Wegman (1876–1943), anthroposophical medicine is based on occult notions and draws on Steiner's spiritual philosophy, which he called anthroposophy. Practitioners employ a variety of treatment techniques based upon anthroposophic precepts, including massage, exercise, counselling, and substances. Many drug preparations used in anthroposophic medicine are ultra-diluted substances, similar to those used