Book excerpt: RNA Therapeutics, Part B, Volume 204 updates on a new class of medication based on RNA molecules, with chapters on a variety of topics, including RNA therapeutics for cardiovascular disorders, RNA therapeutics for kidney injury, RNA therapeutics for beta-thalassemia, RNA therapeutics for infectious diseases, RNA therapeutics for reproductive diseases, Potential of RNA and transcriptomic data to drive drug repurposing for various diseases, RNA therapeutics for glioma/glioblastoma, RNA therapeutics for regenerative medicine, Advances in the liposome-based delivery systems for RNA therapeutics in cancer, Advances in the polymeric nanoparticulate delivery systems for RNA therapeutics in cancer, and more. - Covers RNA therapeutics' history and future perspectives - Discusses the processes of RNA therapeutical development - Presents recent applications of RNA therapeutic in clinics - Provides the advantages and disadvantages of RNA therapeutics