Fig. 1From: Large and non-specific somatic disease burdens among ageing, long-term opioid maintenance treatment patientsSelf-reported disease burden. “How bothered are you by each of the following?” (NorComt study, Norway, 2012–2016). legend. Over 70% of patients reported being bothered by reduced memory, and over 50% reported being bothered by headaches, indigestion, dizziness, teeth and gum ailments, constipation and joint painBack to article page