FYXLIFE Knowledge Center
Insights on longevity, nutrition, fitness, sleep, and living well — backed by your data.
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The Muscle Testing Stack: What to Measure, When to Test, and How to Interpret Your Results
Still guessing whether your muscle mass is actually improving? Here’s exactly what to test, when to test it, and how…
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The Emotional Cascade: How Chronic Stress Quietly Dismantles Your Brain, Heart, and Immune System
Chronic stress doesn’t stay in your head. See how emotional strain cascades into brain, heart, and immune damage — and…
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The Inherited Heart Risk Your Standard Cholesterol Test Completely Misses: What New Lp(a) Research Reveals
Your cholesterol looks fine — but Lp(a) could be quietly tripling your heart risk. New research explains why this genetic…
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Why Protein Is the Only Nutrient Your Muscles Cannot Survive Without
Still eating the same protein you did at 25? After 35, your muscles need more — and the standard guidelines…
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Your Cholesterol Test Came Back ‘Normal’ — But It May Have Missed the Real Risk
Your cholesterol came back normal — but ApoB and Lp(a) could tell a different story. Here’s what your standard lipid…
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Vitamin D and K2: Why These Two Supplements Only Work Properly When Taken Together
Taking vitamin D without K2 may send calcium to the wrong places. Here’s the mechanism explained simply — and what…
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Plant Protein vs Animal Protein: The ‘One Is Superior’ Myth, Dismantled
Think you have to choose between plant and animal protein? The research says that’s the wrong question entirely. Here’s what…
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Epigenetic Clocks: The Science Behind Your Biological Age (And Why It Matters More Than Your Birthday)
Your calendar age is the least interesting number about you. Here’s how epigenetic clocks read your true biological age —…
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Your Body Has a Meal Schedule. New Research Shows What Happens When You Ignore It.
Still eating late and wondering why your metabolism feels off? New research on meal timing and your body clock may…