Markers
One blood or body marker at a time: what it measures, the ranges in use and what moves it.
ApoB
ApoB: the cholesterol number you may never have been tested for
It counts how many particles can lodge in your artery walls. Why many cardiologists now prefer it to LDL.
HbA1c
HbA1c: your average blood sugar over three months
One number that sums up your blood sugar over the last two to three months, and the thresholds the NHS uses.
HRV
HRV: why you should compare yourself with yourself
Your watch measures something different from a hospital Holter monitor. How to read your number properly.