By now, the pattern is clear.
Particles are being produced.
Particles are being cleared.
And in many cases, both sides of the system are shifting at the same time.
What’s been missing is a way to organize it.
Not as separate findings.
But as a single framework.
One way to do that is to map the system.
At any moment, particle levels are determined by two forces:
- production
- clearance
Every individual can be understood in terms of how those two forces are behaving.
If production increases while clearance remains stable, particle levels rise.
If clearance decreases while production remains stable, particle levels also rise.
Different mechanisms.
Same outcome.
When both occur together, the effect compounds.
More particles enter the system.
Fewer are removed.
Levels rise more quickly, and exposure accumulates over time.
This creates a simple way to think about the system.
Not as isolated abnormalities.
But as variations within the same framework.
Some individuals primarily have a clearance problem.
Particles remain in circulation longer than expected.
Others primarily have a production problem.
The liver is sending more particles into circulation.
Most fall somewhere in between.
This helps explain something that appears contradictory on the surface.
Two individuals can have similar LDL-C levels…
and arrive there through very different biology.
One may have relatively low production but impaired clearance.
Another may have high production but more efficient removal.
From a cholesterol perspective, they look similar.
From a system perspective, they are not.
This is where ApoB provides clarity.
It reflects the number of particles in circulation.
Not just the amount of cholesterol they carry.
But even with that measurement, the underlying question remains:
What is driving the particle burden?
Is production increased?
Is clearance reduced?
Or are both contributing?
Once the system is mapped, that question becomes easier to answer.
And when that becomes clear, something else follows.
Intervention is no longer about chasing a single number.
It becomes about understanding where the system is out of balance.
That is where the model becomes actionable.
Continue reading →Where Intervention Actually Happens
Or start here - The LIV System