Chronic pain and anxiety are two common conditions for which medicinal cannabis (MC) is prescribed in Australia. Project Twenty21 Australia was an observational study that investigated the effectiveness of MC for chronic pain, anxiety, post-traumatic stress disorder and multiple sclerosis, following patients for up to 12 months. The analysis reported in this paper is restricted to patients prescribed one specific full-spectrum high cannabidiol (CBD) oil, CannC CBD3000/5000, for chronic pain or a