6 Blood Markers That Predict Disease Years Before Symptoms Appear

Do you have these 6 done?

When “normal” isn’t helpful

Most of the most common blood tests are designed to confirm established disease, not detect the slow, early biological drift that occurs years before symptoms appear.

Here are 6 that do better:

1. High-sensitivity CRP: persistently elevated hs-CRP within the “normal” range reflects chronic low-grade inflammation that predicts cardiovascular disease, stroke, diabetes, cancer, and dementia long before diagnosis.
2. Fasting insulin: elevated fasting insulin with normal glucose reveals early insulin resistance, a reversible stage that predicts type 2 diabetes, cardiovascular disease, and often even Alzheimer’s disease years in advance.
3. ApoB: apolipoprotein B directly counts atherogenic particles and predicts heart attack and stroke risk more accurately than LDL cholesterol, especially in people with metabolic dysfunction.
4. Homocysteine: raised homocysteine damages blood vessels and brain tissue, increasing risks of cardiovascular disease and dementia, and is often correctable with adequate B-vitamin status.
5. HbA1c trajectory: trends and position within the normal range matter more than cut-offs, with gradual rises over years signalling worsening metabolic health and cumulative glycation damage.
6. GlycA: this little-known marker reflects long-term inflammatory burden and predicts cardiovascular disease, diabetes, and mortality more strongly than many traditional tests.

Lastly, Dr. Wibberly advises us that patterns that can be noted from repeated measurements over time reveal true risk, whereas isolated “normal” results can hide a worsening biological trajectory.

For more on all of this, enjoy:

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Want to learn more?

You might also like:

Early Dementia Screening From Your Blood & More

And for a much more comprehensive overview of blood tests in general:

Common Sense Labs: Blood Labs Demystified – by Dr. Ken Berry & Kim Howerton

Take care!