From the wreckage of postwar scarcity, science has drawn an unexpected lesson: the sweetness we offer the youngest among us may echo across a lifetime. A study examining Britain's abrupt end to sugar rationing in 1953 finds that children who consumed little sugar before age two showed a 23 percent lower risk of dementia in old age — a finding that invites us to consider how the earliest chapters of a life quietly author its final ones. The evidence is suggestive rather than conclusive, but it deepens a long-held intuition that the first years of human development carry a weight far beyond thei