Journal

What we are learning.

Notes from our physicians on the research we act on, and the research we are still waiting on.

Featured · Diagnostics

Why “normal” bloodwork often isn’t

Reference ranges describe a population, not a person. What we look for instead, and how a result inside the range can still be worth acting on.

Dr. Elena Marchetti

8 min read

Sleep

Total hours is the least useful number on your sleep report. What architecture, timing and consistency tell us that duration cannot.

Aug 19, 2026

6 min read

Hormones

Replacing a number is not the same as restoring a system. The sequencing errors we see most often, and how we avoid them.

Jul 30, 2026

9 min read

Cardiometabolic

One of the cheapest measurements in medicine, and one of the most misread. How we use it alongside variability and recovery.

Jul 8, 2026

5 min read