{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T13:57:56Z","timestamp":1790863076046,"version":"4.1.0"},"reference-count":93,"publisher":"MDPI AG","issue":"23","license":[{"start":{"date-parts":[[2024,11,27]],"date-time":"2024-11-27T00:00:00Z","timestamp":1732665600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCM"],"abstract":"<jats:p>Emanating from several decades of study into the effects of the aging process after spinal cord injury (SCI), \u201caccelerated aging\u201d has become a common expression as the SCI accelerates the onset of age-related pathologies. However, the aging process follows a distinct trajectory, characterized by unique patterns of decline that differ from those observed in the general population without SCI. Aging brings significant changes to muscles, bones, and hormones, impacting overall physical function. Muscle mass and strength begin to decrease with a reduction in muscle fibers and impaired repair mechanisms. Bones become susceptible to fractures as bone density decreases. Hormonal changes combined with decreased physical activity accelerate the reduction of muscle mass and increase in body fat. Muscle atrophy and skeletal muscle fiber type transformation occur rapidly and in a unique pattern after SCI. Bone loss develops more rapidly and results in an increased risk of fractures in body regions unique to individuals with SCI. Other factors, such as excessive adiposity, decreased testosterone and human growth hormone, and increased systemic inflammation, contribute to a higher risk of neuropathically driven obesity, dyslipidemia, glucose intolerance, insulin resistance, and increasing cardiovascular disease risk. Cardiorespiratory changes after SCI result in lower exercise heart rates, decreased oxygenation, and mitochondrial dysfunction. While it is important to acknowledge the accelerated aging processes after SCI, it is essential to recognize the distinct differences in the aging process between individuals without physical disabilities and those with SCI. These differences, influenced by neuropathology, indicate that it may be more accurate to describe the aging process in individuals with chronic SCI as neurogenic accelerated aging (NAA). Research should continue to address conditions associated with NAA and how to ameliorate the accelerated rate of premature age-related conditions. This review focuses on the NAA processes and the differences between them and the aging process in those without SCI. Recommendations are provided to help slow the development of premature aging conditions.<\/jats:p>","DOI":"10.3390\/jcm13237197","type":"journal-article","created":{"date-parts":[[2024,11,27]],"date-time":"2024-11-27T10:05:56Z","timestamp":1732701956000},"page":"7197","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Neurogenic Aging After Spinal Cord Injury: Highlighting the Unique Characteristics of Aging After Spinal Cord Injury"],"prefix":"10.3390","volume":"13","author":[{"given":"Brittany L.","family":"Tretter","sequence":"first","affiliation":[{"name":"College of Osteopathic Medicine, William Carey University, Hattiesburg, MS 39401, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David R.","family":"Dolbow","sequence":"additional","affiliation":[{"name":"College of Osteopathic Medicine, William Carey University, Hattiesburg, MS 39401, USA"},{"name":"Physical Therapy Program, William Carey University, Hattiesburg, MS 39401, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vincent","family":"Ooi","sequence":"additional","affiliation":[{"name":"College of Osteopathic Medicine, William Carey University, Hattiesburg, MS 39401, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5482-6049","authenticated-orcid":false,"given":"Gary J.","family":"Farkas","sequence":"additional","affiliation":[{"name":"Department of Physical Medicine and Rehabilitation, Miller School of Medicine, University of Miami, Miami, FL 33136, USA"},{"name":"The Miami Project to Cure Paralysis, Miller School of Medicine, University of Miami, Miami, FL 33136, USA"},{"name":"Christine E. Lynn Rehabilitation Center for the Miami Project to Cure Paralysis, Miami, FL 33136, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joshua M.","family":"Miller","sequence":"additional","affiliation":[{"name":"Department of Kinesiology and Nutrition, College of Applied Health Sciences, University of Illinois Chicago, Chicago, IL 60612, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jakob N.","family":"Deitrich","sequence":"additional","affiliation":[{"name":"Spinal Cord Injury and Disorders Center, Richmond VA Medical Center, Spinal Cord Injury & Disorders Service, 1201 Broad Rock Blvd, Richmond, VA 23249, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9157-6034","authenticated-orcid":false,"given":"Ashraf S.","family":"Gorgey","sequence":"additional","affiliation":[{"name":"Spinal Cord Injury and Disorders Center, Richmond VA Medical Center, Spinal Cord Injury & Disorders Service, 1201 Broad Rock Blvd, Richmond, VA 23249, USA"},{"name":"Department of Physical Medicine and Rehabilitation, School of Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,11,27]]},"reference":[{"key":"ref_1","unstructured":"Bennett, J., Das, J.M., and Emmady, P.D. 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