RT Journal Article SR Electronic T1 Role of the glymphatic system in ageing and diabetes mellitus impaired cognitive function JF Stroke and Vascular Neurology FD BMJ Publishing Group Ltd SP 90 OP 92 DO 10.1136/svn-2018-000203 VO 4 IS 2 A1 Zhang, Li A1 Chopp, Michael A1 Jiang, Quan A1 Zhang, Zhenggang YR 2019 UL http://svn.bmj.com/content/4/2/90.abstract AB Diabetes mellitus (DM) is a common metabolic disease in the middle-aged and older population, and is associated with cognitive impairment and an increased risk of developing dementia. The glymphatic system is a recently characterised brain-wide cerebrospinal fluid and interstitial fluid drainage pathway that enables the clearance of interstitial metabolic waste from the brain parenchyma. Emerging data suggest that DM and ageing impair the glymphatic system, leading to accumulation of metabolic wastes including amyloid-β within the brain parenchyma, and consequently provoking cognitive dysfunction. In this review, we concisely discuss recent findings regarding the role of the glymphatic system in DM and ageing associated cognitive impairment.