The present disclosure provides methods for treating traumatic brain injury and other neurological disorders in a subject in need thereof, comprising administering to the subject an effective amount of a composition comprising ghrelin or a ghrelin variant. This invention provides for methods for treating a severe or moderate traumatic brain injury in a patient wherein said method comprises administering to the subject suffering from said severe or moderate traumatic brain injury a therapeutic effective amount of ghrelin or a ghrelin variant or a composition comprising ghrelin or a ghrelin variant so as to treat said severe or moderate traumatic brain injury.
