I am not a doctor. I am a 53-year-old who pulled his own blood panels every few months for two years before the numbers made sense. The Decoder is the one-page cheat sheet I wish someone had handed me at my first physical: what each number on a standard panel means, what is worth aiming for at 50 rather than what the lab flags as normal, and what to ask your doctor about it.
It covers the lipid panel, including ApoB and Lp(a) (the two numbers most standard panels leave off), fasting glucose and A1c, hs-CRP for inflammation, testosterone with the two-morning-draws rule, and vitamin D with the 2024 change in what counts as enough. The rest of the PDF explains each number in plain English and ends with what to actually do about it this week.
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A lab’s normal range describes the people who got tested. It is not the same thing as the numbers worth having at 50.