Hereditary amyloidosis is also known as a familial one. Afro-Americans face this problem more frequently than other ethnic groups. The guilty protein, transthyretin, is deposited in the liver. If one of the parents has this illness, there a fifty percent chance of transferring it to a child. Once again, the patient should mind his nerves – it is important not to get very emotional. In the case of the hereditary form, the heart usually suffers most of all when it happens.