FYXLIFE Knowledge Center
Insights on longevity, nutrition, fitness, sleep, and living well — backed by your data.
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![Sleep & Heart Health: What Actually Works [Tech Verdict]](https://blog.fyxlife.com/wp-content/uploads/2026/03/sleep-heart-health-what-actually-works-tech-verdict.png)
Sleep & Heart Health: What Actually Works [Tech Verdict]
Tired but doing everything right? We verdict sleep trackers, supplements, and exercise for real cardiovascular benefit — no hype, just…
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ApoB and Cardiovascular Risk: What It Is and Why It Matters
Your LDL looks normal — but ApoB may tell a different story. Learn what ApoB is, how it predicts heart…
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Food Allergy vs Sensitivity Testing: What Research Says
Your tests came back normal but you still feel off. Here’s what the clinical research actually says about food allergy…
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Epigenetic Clocks: 5 Myths the Science Doesn’t Support
Got a biological age score and drew a conclusion? You may be wrong. Here’s what epigenetic clocks actually measure —…
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Blood Pressure Targets Protocol: What’s Safe vs. Optimal
140/90 is the treatment trigger — not your safety number. This protocol shows high-risk adults exactly what BP target to…
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Sleep Tech Verdict: What Actually Works in 2025
Wearables, magnesium, melatonin, cold plunge — which sleep interventions are worth it? Evidence-based verdicts for busy professionals who want real…
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The Cortisol Cascade: Stress, Sleep & Metabolism
Doing everything right but still exhausted? Chronic stress triggers a cortisol cascade that breaks down sleep, energy, and metabolism. Here’s…
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VO2 Max Training: What the Research Really Shows
New meta-analyses quantify exactly how much training raises VO2 max — and why your response may differ. What the evidence…
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APOE4 Gene Test: Is It Worth Testing for Alzheimer’s Risk?
Carrying APOE4 raises Alzheimer’s risk — but does knowing change anything? Evidence-based verdict on whether APOE4 testing is worth it…