The Efficacy of Aldehyde Dehydrogenase Enzyme in Essential Tremor Patients: A Single-Center Study

Inclusion Criteria: * Adults aged ≥ 19 years who provide written informed consent. * Diagnosed with Essential Tremor (ET) by a board-certified neurologist or neurosurgeon. * Presence of postural or intention tremor in the dominant hand/arm with a CRST score ≥ 2. * Stable medication regimen for at least 30 days prior to enrollment. * No structural brain abnormalities on MRI within the last 3 years. * Eligible according to investigator assessment and agreement by two clinical team members. Exclusion Criteria: * Presence of secondary tremor causes (e.g., Parkinsonism, dystonia). * Significant medical conditions such as severe arrhythmia, renal failure, hepatic failure, acute stroke, or epilepsy. * Contraindications to MRI (e.g., pacemakers, metal implants).