FYXLIFE Knowledge Center
Insights on longevity, nutrition, fitness, sleep, and living well — backed by your data.
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Ultra-Processed Food Death Risk: What New Research Shows
Every 10% more UPF you eat raises premature death risk by 3%. Here’s what the 2024–2025 research actually found —…
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How Impaired Autophagy Cascades Into Brain and Heart Risk
When cellular recycling fails, it does not cause one problem — it causes a chain reaction. Here is how impaired…
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Cortisol Myths Debunked: What Stress Really Does
Think cortisol is always the enemy? The science says otherwise. Discover what chronic stress actually does to your body —…
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Emotional Health Biomarkers: Your Longevity Test Guide
You track LDL — but are you measuring emotional health biomarkers? This test guide shows what to test, when, and…
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Marathon Training: Longevity Benefit or Overuse Risk?
Is marathon training actually good for longevity? We cut through the hype with evidence on VO2 max, heart risk, strength…
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Magnesium and Sleep: The Cascade Explained
Still waking at 3am? Low magnesium may trigger a chain reaction — from overexcited brain to stress hormones to wrecked…
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Visceral Fat: How It Damages Your Organs Explained
Your BMI looks fine — but visceral fat around your organs may be silently driving heart disease, diabetes, and metabolic…
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Fasting Insulin Test Protocol: What to Request and Why
Your blood test said ‘normal’ — but was fasting insulin on it? This protocol shows exactly what to test, how…
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What 438 Clinical Trials Prove About the Mediterranean Diet
438 clinical trials. One dietary pattern. Here’s what the evidence actually proves about the Mediterranean diet — and where the…