disease has major feature Dementia dementia (disease) COHD:4182210 DOID:1307 GARD:0011946 ICD9:290.8 ICD9:294.1 ICD9:294.8 Loss of intellectual abilities interfering with an individual's social and occupational functions. Causes include Alzheimer's disease, brain injuries, brain tumors, and vascular disorders. MESH:D003704 MONDO:0001627 NCIT:C4786 SCTID:52448006 dementia cognitive disorder