Analysis of 153,557 middle-aged and older UK Biobank participants reveals that adverse life events create detectable biological age acceleration across multiple markers. Individuals experiencing trauma in both childhood and adulthood showed metabolite-predicted ages exceeding their chronological age, higher frailty index scores, and reduced grip strength. The effect was dose-dependent, with multiple adverse events creating stronger biological aging signatures than single exposures. Notably, abuse showed more consistent aging associations than neglect. This represents compelling evidence that psychological trauma translates into measurable cellular and physiological deterioration. The findings illuminate why trauma survivors face higher rates of age-related diseases and earlier mortality. The biological aging cascade likely involves chronic inflammation, dysregulated stress hormone systems, and accelerated cellular senescence. For healthcare providers, this suggests trauma history should inform age-related disease screening timelines. The research also validates emerging "weathering" theories proposing that social adversity literally ages the body faster. While the cross-sectional design limits causal conclusions, the large sample size and multi-domain biological markers strengthen the evidence that life experiences become biologically embedded, potentially informing both prevention strategies and therapeutic interventions targeting accelerated aging pathways.