The hardest cohort in the universe.
A crew on a 7-month transit to Mars is a biomarker problem with no hospital. Six physiological systems degrade at once, with no resupply and a 4–24 minute comms delay — the extreme end of the same measurement the engine runs on Earth.
The challenge
Six systems fail quietly, and in parallel. Each has its own biomarkers, its own countermeasures, and its own clock. Monitoring one in isolation misses the interactions — the crew needs all six read together, continuously.
Bone & muscle loss
Weight-bearing bone and muscle waste without gravity load.
BMD · CTX · osteocalcin · Vit D · PTH
Cardiac deconditioning
Plasma volume drops; the heart atrophies; orthostatic intolerance on return.
plasma volume · VO₂max · BNP · BP/HR
Vision changes
Fluid shifts raise intracranial pressure and reshape the eye.
ICP proxy · optic disc edema · acuity · choroid
Immune dysregulation
Latent viruses reactivate; infection risk rises under chronic stress.
T-cell · NK activity · IL-6 · cortisol · IgG
Cumulative exposure
Dose accrues against a hard career limit; solar events spike acutely.
cumulative dose · lymphocytes · chromosome aberrations
Isolation & circadian
Confinement and lost day/night cycles degrade sleep, mood and cognition.
sleep quality · cognition · circadian alignment
How the engine applies
The same pipeline, pointed at the extreme. Multi-source biomarker data in, a measured mission-health signature out — with the reasoning and early warnings shown at every step.
Who this is for
Potential clients
Two buyers in one market: the agencies and institutes that fund crew-health research, and the commercial operators who will have to keep private crews healthy in orbit.
Research & funding
Annual solicitations for crew-health R&D — a funding and validation path.
TRISH · ESA · JAXA · NASA HRP
Commercial stations
Post-ISS operators who must own crew health on their own platforms.
Vast · Axiom · Orbital Reef · Starlab
Mission & launch operators
Crewed-flight programs screening and monitoring private astronauts.
Blue Origin · SpaceX
Run your cohort through the engine
Whether it's a trial on Earth or a crew in orbit — send the before/after panels and we return a measured signature with an evidence trail.