The Blue Zones framework describes recurring lifestyle patterns in communities associated with unusual longevity.

This page isolates one claim from the wider argument of The Human OS Manual.

The classification describes the evidence supporting this claim, not the Human OS framework as a whole.

Buettner and Skemp present the Blue Zones framework as a narrative account of long-lived communities and recurring lifestyle patterns associated with them.

This source does not establish that copying isolated Blue Zones practices causes longevity, or that the framework identifies a universal causal recipe for living longer.

The source is included because Chapter 4 explicitly discusses Blue Zones. Its role is descriptive context for the chapter's ecology-over-protocol argument, not evidence that a defined set of practices causes longevity.

Sources are listed according to the role they play in this claim. One source may provide direct support, another may explain a mechanism, establish a limitation, or prevent an interpretation from becoming broader than the evidence allows.

The printed book preserves the claim inside the argument that gives it meaning. These references connect the current digital record to the first-edition evidence trail.

This claim connects to the following parts of the Human OS architecture. The module labels locate the claim inside the framework; they do not imply that the research source validates the architecture itself.