The development of Sativex a natural cannabisbased medicine

Capitate Stalked Trichomes

GW Pharmaceuticals plc, Porton Down Science Park, Salisbury, Wiltshire SP4 OJQ, UK Cannabis has been used medicinally for 4000 years 1-4 in a variety of cultures and was re-introduced into British medicine in 1842 by W. O'Shaughnessy 5 . It remained in the British pharmacopaeia until 1932, when cannabis, extract of cannabis and tincture of cannabis were among 400 medicines removed, though all three remained in the British Pharmaceutical Codex of 1949 5 . However, following the 1961 UN Single...