A convergence of global epidemics: diabetes as a modulator of neurodegenerative and neuro-inflammatory disorders
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By
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Louisa Leone
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Tighe J. Kiernan
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Satoshi Kuwabara
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Michael Barnett
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Emma Devenney
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Rebekah M. Ahmed
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Cindy Shin-Yi Lin
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June 18, 2026
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Clinical Scorecard: The Intersection of Global Health Crises: Diabetes Influencing Neurodegenerative and Neuro-Inflammatory Conditions
At a Glance
| Category | Detail |
| Condition | Diabetes Mellitus (DM) and its relationship with neurological disorders |
| Key Mechanisms | Insulin resistance, inflammation, disrupted energy homeostasis, genetic predisposition |
| Target Population | Adults with diabetes and neurological disorders |
| Care Setting | Clinical settings focusing on metabolic and neurological health |
Key Highlights
- DM is a modifier of risk, phenotype, and prognosis across various neurological disorders.
- Diabetes-related peripheral neuropathy affects approximately 50% of diagnosed individuals.
- DM is linked to increased risk of Alzheimer’s disease, Parkinson’s disease, and inflammatory peripheral neuropathies.
- Potential neuroprotective role of DM in amyotrophic lateral sclerosis has been observed.
- Emerging interest in repurposing antidiabetic therapies for neurological benefits.
Guideline-Based Recommendations
Diagnosis
- Consider diabetes as a risk factor in patients with neurological disorders.
Management
- Explore antidiabetic therapies such as metformin and GLP-1 receptor agonists for neurological benefits.
Monitoring & Follow-up
- Regular assessment of neurological function in patients with diabetes.
Risks
- Increased risk of cognitive decline and various neurodegenerative diseases in diabetic patients.
Patient & Prescribing Data
Adults with diabetes and associated neurological conditions.
Antidiabetic therapies may offer additional neurological benefits beyond glycemic control.
Clinical Best Practices
- Integrate metabolic and neurological assessments in patient care.
- Utilize a comparative framework to understand diabetes-associated neurobiology.
- Focus on early detection and risk stratification for neurological disorders in diabetic patients.
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