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Aging significantly impacts motor performance, especially in multi-joint movement tasks where the nervous system needs to adequately coordinate mechanical interactions between joints. Effective coordination of multiple joints relies on intact feedforward control to predict movement dynamics in the initial phase of the movement, and on feedback control to fine-tune the execution in the final phase. The effect of aging on these specific control mechanisms remains controversial. Here, we...

CONCLUSIONS: Pair 2 Care may provide an innovative strategy to improve family caregiver health outcomes such as quality of life among Black caregivers of Black people living with dementia to promote health equity. As a next step, a fully powered trial is needed to determine Pair 2 Care intervention efficacy.

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...

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...