 The treatment begins within the first 5 days of stroke and is maintained for 6 months. All patients will be treated according to current guidelines for secondary prevention. We will assess the following variables: demographic, vascular risk factors, etiologic subtypes according to TOAST criteria, neurologic deficit with the NIHSS scale, cognitive assessment with Minimental scale and functional status with scale modified Rankin at discharge, 3, 6 and 12 months, Symbol Digit Modalities Test SDMT, GDS-15 Geriatric Depression Scale, Logical memory of WMS-IV . The cognitive assessment and motor functional status will be evaluated by a neuropsychologist and neurologist blinded to treatment assignment. 