Derivation Web

source_da58145d3c9c4802

# Source literature boundary memo

## Research question

Across retrieved source-level receipts for deuterium_depleted_water_longevity_anti_aging, which endpoints show directionally favorable versus null/non-convergent signals, and what matched PICO remains untested?

## Selection criteria

The source-literature fallback selected deuterium_depleted_water_longevity_anti_aging because the domain sna…