<prompt> MIDAS question are is used in assessment ofSeverity of weakness in strokeDisability in migraineMemory in alzheimers diseaseTremors in parkinsons disease  <response>: Once a diagnosis of migraine has been established, it is impoant to assess the extent of a patients disease and disability. The Migraine Disability Assessment Score MIDAS is a well-validated, easy-to-use tool . Migraine Disability Assessment Score Five questions related to headache severity are used in assessment Grade I--Minimal or Infrequent Disability: 0-5 Grade II--Mild or Infrequent Disability : 6-10 Grade III--Moderate Disability : 11-20 Grade IV--Severe Disability : 20 Ref Harrison 20th edition page 3098, 3100table 422-4 