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CONCLUSION: This study shows that the presence of MASLD is significantly associated with an increased risk of a worse depression trajectory. In subgroup analysis, this relationship was particularly pronounced amongst females and among individuals with key cardiometabolic morbidities such as dyslipidaemia.

No abstract

Myeloid cells, including microglia and perivascular macrophages, are central to Alzheimer's disease (AD) neurobiology, yet their role remains incompletely understood. We profiled 832,505 human myeloid cells from the prefrontal cortex of 1,607 donors spanning the lifespan and showing varying degrees of AD neuropathology. We delineated six subclasses comprising 13 transcriptionally distinct subtypes and identified adaptive changes associated with aging and AD progression. Here we show that a...

Epidemiological links between cognition and body physiology in aging are well established, but their strength and drivers remain unclear. Which physiological systems - from body composition to cardiovascular, pulmonary, renal, hepatic, immune, metabolic, and musculoskeletal - best predict cognition, and to what extent are cognition-body associations linked to brain variation across aging? We examined 19 physiological phenotypes alongside three neuroimaging modalities in over 30,000 UK Biobank...

Myeloid cells, including microglia and perivascular macrophages, are central to Alzheimer's disease (AD) neurobiology, yet their role remains incompletely understood. We profiled 832,505 human myeloid cells from the prefrontal cortex of 1,607 donors spanning the lifespan and showing varying degrees of AD neuropathology. We delineated six subclasses comprising 13 transcriptionally distinct subtypes and identified adaptive changes associated with aging and AD progression. Here we show that a...