<prompt> Answer this question truthfullyHow does osmotic damage in diabetes patients lead to peripheral neuropathy and autonomic neuropathy, and what is the role of Schwann cells in this process?  <response>: <reason> In diabetes patients, osmotic damage can lead to peripheral neuropathy and autonomic neuropathy as a result of damage to Schwann cells. These cells play a critical role in the maintenance and repair of peripheral nerves, and their dysfunction can result in nerve damage and loss of function. 