This dataset represents a fully synthetic, multi-decade observational record of 100 individuals monitored by an advanced wearable device. Measurements include physiological, biochemical, behavioral, environmental, and organ-level digital biomarkers, representing both currently measurable signals and speculative signals that may become measurable in future decades. All data are generated algorithmically. No real individuals… See the full description on the dataset page: https://huggingface.co/datasets/DBbun/Wearable_2045_v1.0.