In Progress

2) Physical Health (Your Body Is Infrastructure)

Advanced / Longevity-Oriented Biomarkers

If you only track one advanced marker, make it this one.

Standard LDL tests measure the weight of your cholesterol, but ApoB measures the number of particles that actually cause heart disease. Think of LDL as the total weight of cars on a highway, and ApoB as the actual number of cars. More cars mean a higher chance of a crash (plaque buildup).
In 2026, many longevity experts recommend an ApoB under 60 mg/dL.

This is often called the Heart Attack Gene.

Unlike other cholesterol, your Lp(a) level is 90% determined by your genetics, not your diet. It is a very sticky particle that causes blood clots and early heart attacks.
You only need to test this once in your life. If your level is high (above 50 mg/dL or 125 nmol/L), you know you have a higher baseline risk and must be extra aggressive with other health factors.

Before your blood sugar (glucose) goes up, your insulin levels will skyrocket as your body struggles to process sugar.

Tracking Fasting Insulin along with Glucose allows you to calculate your HOMA-IR score. This can catch pre-diabetes up to 10 years before a standard test would.
A HOMA-IR score below 1.0 indicates perfect metabolic health.

This is an amino acid that, when high, acts like sandpaper on the inside of your blood vessels, leading to inflammation and brain fog. It is often a sign that you need more B-Vitamins (B12, B6, and Folate).
Aim for a level below 9.0 μmol/L.

This measures how much oxygen your body can use during intense exercise.

In 2026, research shows that VO₂ Max is the strongest predictor of how long you will live. Moving from the bottom 25% to the top 25% of your age group can add a decade to your life.
You can do a formal treadmill test in a lab, or use a high-end smartwatch (Garmin/Apple) for a very good estimate.

HRV measures the tiny variations in time between each heartbeat.

It is a direct window into your Nervous System. A high HRV means your body is recovered and ready for stress; a low HRV means you are overtrained, sleep-deprived, or getting sick.
Use a wearable (Oura, Whoop, or Garmin) to track this while you sleep. If it drops suddenly, take a rest day, your body is asking for it!

Forget the standard weighing scale, it doesn't tell the whole story.

A DEXA scan is a 10-minute X-ray that measures exactly how much Muscle, Fat, and Bone you have.
It also measures Visceral Fat (the dangerous fat around your organs). Even thin people can have high visceral fat (called TOFI: Thin Outside, Fat Inside).
For students, knowing your bone density early helps you prevent osteoporosis later in life through proper strength training.