Health Trajectory Engineering
Health Trajectory Engineering
Every life traces a health trajectory — the curve of health across time. Health Trajectory Engineering is the discipline of observing, modeling, and intervening on the development of health and disease over time. Its purpose is to bend the curve of disease at its root.
Three interacting domains. Population scale. Individual resolution.
The unit of analysis is three interacting domains — cultural, environmental, and biological — where culture is broad: where you come from, and the social and structural determinants that travel with you. Of the three, culture and environment carry most of the weight; biology, relatively, the least. The scale is populations. The resolution is the individual: intervention is selected for a person, not an average.
Cultural
The heaviest hand on the curve — where you come from, what health means there, and the social and structural determinants that travel with you.
Environmental
Air, water, food, distance, exposure — the conditions a life is lived inside, recorded across the life course.
Biological
Genome, biology, and their expression over time — consented, updated as the body changes, and read in context rather than alone.
Rescue Health waits for the crash. Pulse Health bends the curve.
Rescue Health is today’s default — heroic, late, and expensive: the system barely looks at the curve, waits for the crash, then mounts the rescue. Pulse Health reads where the curve is bending and intercepts early, before disease hastens or worsens. Health 4.0 weights the whole architecture toward Pulse Health — and the same life, run in the two modes, looks like this:
Four SSRN papers and the canonical definition.
Read the published foundation of Health Trajectory Engineering and Health 4.0.
Trajectory Engineering: A Prospectus
Paper I · SSRN 6612840
Trajectory Engineering: The Framework for Closing the Loop
Paper II · SSRN 7453581
Health 4.0: The System of Care
System blueprint · SSRN 6784098
Health 4.0 and the End of Zero-Sum Healthcare
Global commons architecture · SSRN 6827879
The Health Trajectory: A Definition, v1.0
The canonical definition · Zenodo DOI 10.5281/zenodo.22750757
