Far-Infrared Socks for Neuropathic Pain and Nerve Function in Diabetic Patients

Inclusion Criteria: * Diagnosed with diabetic peripheral neuropathy (DPN) with mild to moderate severity based on clinical evaluation. * Oriented to person, place, and time (cognitively intact). * Residing in Kayseri and receiving treatment in the city. * HbA1C level below 8.5% during the study period. * Non-smoker for at least 6 months. * Not using neuropathic pain medication for at least 3 months before enrollment. * Body Mass Index (BMI) between 25 - 35. * Able to be contacted by phone for follow-up. * Willing to participate and provide informed consent. Exclusion Criteria: * Presence of diabetic foot ulcers. * Non-mobilized individuals (unable to walk independently). * Severe peripheral artery disease (Ankle Brachial Index (ABI) \< 0.4). * Liver failure or renal failure (dialysis patients). * Coronary artery disease. * Candidates for surgery during the intervention period. * Lower extremity arthroplasty or orthosis indication during the intervention period. * Neurological or cognitive impairments (e.g., dementia, Alzheimer's disease). * Receiving non-pharmacological treatment for diabetic peripheral neuropathy (DPN). * Chronic alcohol or substance use. * Severe anemia, vitamin B12 deficiency, or iron deficiency anemia. * Recent changes in diabetes medication or newly diagnosed with diabetes. * Neurological, cardiovascular, or orthopedic damage affecting the lower extremities. * Use of cytotoxic or immunosuppressive agents or history of radiation therapy. * Pregnant, br…