The invention relates to methods for modulating PPAR-γ activity using relaxin or agonists thereof. The result is wide range of new therapeutic regimens for treating, inhibiting the development of, or otherwise dealing with, a multitude of illnesses and conditions, including small vessel disorders of the brain and those associated with increased blood-brain barrier permeability, cognitive disorders such as Alzheimers disease, vascular dementia, epilepsy, stroke, CADASIL and migraine.
