A dozen years ago, marijuana as a treatment for epilepsy would have been considered as a joke or at least as an uproar. These days, the situation is different. Yes, marijuana is not yet officially recognized as a medical treatment for this disease, but the recent cases when marijuana really helped people with their epileptic seizures show the powerful potential of cannabis. This can be a start of real changes in this situation. Let us have a closer look at the connection between epilepsy and medical marijuana.