Tiny proteins known as nanobodies, produced by camels, llamas, and alpacas, are showing remarkable potential for treating brain disorders such as Alzheimer’s and schizophrenia. Credit: Shutterstock Nanobodies, which are very small proteins found in camelid species such as camels, llamas, and alpacas, may provide a powerful new way to treat brain disorders like schizophrenia and Alzheimer's disease. A new study published on November 5 in the Cell Press journal Trends in Pharmacological Sciences