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CONCLUSIONS: Healthcare access among adults aged 80 years and older is shaped by interacting digital, physical, relational, communicative, organizational, and age-related factors. Access was generally not perceived as completely impossible, but as dependent on timely appointments, digital or telephone support, physical capacity, family assistance, and the ability to navigate healthcare processes. These findings highlight the need for age-sensitive healthcare pathways, including simplified...

Traditionally viewed as a classic sentinel of innate immunity, Toll-like receptor 4 (TLR4) has emerged as a crucial pathological driver within the vascular endothelium, with its identity dictated by cell-type specificity, microenvironmental context, and fluctuating expression levels. This review critically examines the dual functional nature of endothelial TLR4, delineating how it transitions into a primary driver of vascular aging and organ-specific vascular pathologies. The profound spatial,...