Blog
Learn the system, not the shortcut
Plain, cited explanations of the physiology behind how you feel. No molecules, no dosing, no shortcuts being sold.
Format
The Guide
Longer reads that connect a topic to what you can actually do about it.
Hormone and vitality
How resistance training supports healthy testosterone
Strength training changes body composition, sleep and insulin sensitivity, and all three interact with hormonal health. What the evidence supports, and what it does not.
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Longevity and recovery
Sleep, recovery, and healthspan
The least glamorous input with some of the strongest evidence behind it, and what to do when the obvious advice has not worked.
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Longevity and recovery
Protein, muscle, and staying capable
Lean mass is not vanity. It is the buffer that decides how well the last decades go, and it needs both a stimulus and material.
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Metabolic health
How to read a lab report without scaring yourself
Reference ranges are population statistics, not personal verdicts. How to look at your own results sensibly.
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Longevity and recovery
How alcohol affects sleep, hormones, and metabolic health
One input touches all three of the areas this site covers, and most people underestimate it because the effect shows up the next day rather than the same night.
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Longevity and recovery
Building health habits that actually stick
Most health plans fail at adherence rather than at design. What the behavior change research says about making a change survive past the first month.
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Longevity and recovery
Exercise and the postmenopausal brain: what the science shows
A look at how movement supports cognition after menopause, the biology behind the benefit, and which types of exercise appear to help most.
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Metabolic health
Why body composition beats scale weight for metabolic health
A look at how visceral fat, lean mass, and waist circumference shape metabolic and hormonal health, and why the number on the scale tells only part of the story.
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Longevity and recovery
Strength as longevity medicine: what the 2026 guidelines confirm
New 2026 cardiac guidelines reaffirm that heavier resistance training and adequate protein are the core of muscle-centric aging. Here is what that means for your week.
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Longevity and recovery
The real drivers of recovery: sleep, protein, and smart rest
The strongest evidence for recovery in healthy adults points to sleep, adequate protein and energy, and structured light activity. Supplements lag far behind.
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Longevity and recovery
Tryptophan, mood and inflammation: what the biology actually shows
A look at how your body divides tryptophan between serotonin, kynurenine and microbial routes, and why inflammation may shape that split in mood biology.
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Format
Biomarker Explainer
One marker at a time: what it is, why it matters, what moves it.
Metabolic health
Understanding ApoB and metabolic risk
Apolipoprotein B counts the particles that can lodge in an artery wall. Why a count often tells you more than a concentration.
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Metabolic health
Understanding HbA1c and what it misses
A three month average of blood glucose, useful and genuinely limited. What it tells you and what slips past it.
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Metabolic health
Visceral fat, and why where it sits matters
Not all fat behaves the same way. The fat around your organs is metabolically different from the fat under your skin.
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Format
The Basics
Short primers, no assumed background.
Hormone and vitality
The basics of hormone health as you age
What actually changes, on what timescale, and why symptoms alone are a poor guide to what is going on.
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Longevity and recovery
Cardiorespiratory fitness, and why it keeps showing up
One of the strongest associations with long term mortality in the literature, and it is trainable at any age.
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Hormone and vitality
Stress, cortisol, and what the word actually means
Cortisol is essential, rhythmic and widely misdescribed online. A short primer on what it does and what testing it can and cannot tell you.
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Also here
Looking for the lab reference?
The plain-language table of the markers that come up in this space now lives on the Resources page, alongside the rest of the reference material.
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