Medicine 2.0 vs. Medicine 3.0 — alarm or detector

The difference between Medicine 2.0 and Medicine 3.0 is the difference between a fire alarm and a smoke detector.

The alarm sounds when it is already burning. The detector sounds when the smoke begins.

Medicine 2.0 — the one we learned in school, the one practiced in most Brazilian offices — is built for act two. Treating established disease. Choosing the right drug, performing the right surgery, giving the right treatment at the moment everything is already happening.

Medicine 3.0 does not replace 2.0. It adds act one. It looks for the smoke before the flame. It works with biomarkers that move five, ten, twenty years before the diagnosis — fasting insulin, ApoB, hs-CRP, homocysteine, VO₂ max, grip strength.

Each of these biomarkers has solid literature behind it. ApoB, according to the Sniderman and colleagues review in 2019 (JAMA Cardiology), predicts atherosclerotic risk better than LDL-C because it measures the actual count of atherogenic particles — and begins to drift before total cholesterol moves. VO₂ max, in the Mandsager study (JAMA Netw Open 2018), is the most powerful prognostic marker of all-cause mortality ever studied — stronger than smoking. The American Heart Association (Ross 2016) argues that cardiorespiratory fitness should be treated as a vital sign. hs-CRP, along the line of Ridker's CANTOS trial (NEJM 2017), connects subclinical inflammation to hard cardiovascular endpoints.

Ricardo, 52, had an annual checkup. Every test “normal.” Almost died of a heart attack in a parking lot. None of the six markers that were outside the optimal range appeared on the conventional panel. The alarm only sounded once the fire had already started.

The question that matters is not “do I have a disease?” It is: “am I on its path?”

Excerpt from Chapter 1 of the book ANTES — The Silent Window Between Normal and Optimal.