. . "Problem outside the cranium can also cause seizures, such as toxins, including cigarettes, lead toxicosis, insecticides, zinc toxicosis, mycotoxins, chocolate, salt, overheated PTFE. Lack of oxygen to the brain, low-blood calcium levels, low-blood sugar levels, heat stress, liver disease, emboli, medication overdose and infectious diseases are other examples of factors that may cause a bird to hav" . .