The latest report of research performed on animals in preparation for the first possible so called head transplant has not convinced critics of the procedure. A dog has reportedly recovered the ability to walk after an injection into its damaged spinal cord, but some have criticized the standard of the study as outlined in this online report.
Although there are plans for the first head transplant to be performed in China in 2017, concerns continue to be expressed around both the safety and efficacy of the procedure. Of note the patient will actually undergo a body transplant, that is their body will be replaced.
There are significant barriers to this procedure being successful in practice, of which 5 are identified in this online article posted via Business Insider-