What Is Your Omega-3 Index, and Is 8% the Right Target?
What omega-3 index level actually protects your heart and brain? We break down the evidence for the 8% target and how to get tested.
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What Is GDF11? The Longevity Protein Scientists Are Watching
GDF11 is a blood protein that declines with age and may influence muscle, brain, and heart aging. Here’s what the science actually shows in 2026.
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Grip Strength and Longevity: What Are Your Targets by Age?
Grip strength predicts lifespan better than many blood tests. Learn your grip strength longevity targets by age and how to actually improve your numbers.
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Fasting Glucose by Age: 2026 Optimal Ranges Chart
Your fasting glucose optimal range changes with age. Use this 2026 reference chart to know your targets, when to retest, and what moves the number.
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What Is IGF-1? The Longevity Biomarker Nobody Tests
What is IGF-1 and why does it matter for longevity? Learn what your IGF-1 level means, optimal ranges by age, and what the science actually says.
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What Is ApoB? Why It Beats LDL for Heart Risk
ApoB vs LDL cholesterol: learn what ApoB measures, why cardiologists prefer it, what your number should be, and how to lower it.
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Blood Pressure Targets by Age: What Longevity Data Says
Blood pressure targets by age aren’t one-size-fits-all. Here’s what the longevity data actually supports for adults in their 40s, 50s, 60s, and beyond.
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HRV by Age: 2026 Normal Ranges & How to Improve Yours
HRV by age: see the 2026 reference ranges, what your score means for longevity, and the evidence-backed ways to actually improve it.
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What Is Klotho? The Longevity Protein Explained
What is klotho? Learn how this longevity protein affects aging, brain health, and kidneys — and what actually raises your klotho levels.
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Is an Lp(a) Blood Test Worth Getting?
The Lp(a) blood test reveals a major cardiovascular risk factor most doctors skip. Learn what your number means, targets, and what to do if it’s high.
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ApoB Optimal Range: What Your Number Should Be
What is the optimal ApoB range for longevity? Learn what your number should be, how to get tested, and what the evidence actually says.
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Grip Strength Test by Age: Targets, Tools & How to Improve
Grip strength predicts longevity better than blood pressure. See the grip strength test by age targets, how to test yourself, and what to do if you’re low.
