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How is the brain affected by metabolically healthy or unhealthy obesity in adulthood and elderly? A narrative review of neuroimaging and neurocognitive findings

2 months 2 weeks ago
The global aging of the population, coupled with an increasing prevalence of sedentary lifestyle and overnutrition, is fueling an alarming rise in the worldwide obesity rates. Besides its well-known bodily consequences, obesity is increasingly recognized as a risk factor for cognitive impairment, dementia, mood disorders, and emotional distress, suggesting a possible role of adiposity in the pathogenesis of both neurodegeneration and neuropsychiatric diseases. Despite the growing research...
Antonietta Pepe

Impact of aging on the central and enteric nervous system in a Parkinson's disease mouse model

2 months 2 weeks ago
The etiopathogenesis of Parkinson's Disease (PD) remain poorly understood, particularly the roles of aging and the gut-brain axis. This study investigated the impact of aging on the development of PD hallmarks, including neurodegeneration and inflammation, in both the central (CNS) and enteric (ENS) nervous system of mice following exposure to 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP). Young (2-4 months) and adult (7-12 months) mice were treated with either saline or MPTP (four...
Solène Pradeloux