#longevity
When Strength Starts to Decline: A 47-Year Study
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A Swedish study followed 427 people for 47 years. Fitness peaked in the late 20s to mid 30s, but exercise still made a difference. Read more…
How to Check a Longevity Supplement Claim for Free
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A free library of 860+ evidence reviews on longevity interventions. How to use it to check a supplement claim. Read more…
Foods for Longevity: What the Strongest Research Backs
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Skip the 45-item list. Five food groups have the strongest research behind them, plus one randomized trial. Here is what the studies found and how to use it. Read more…
Do Longevity Supplements Work? What the Trials Show
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No supplement has been shown to extend human lifespan. Here is what the largest trials found on vitamin D, omega-3s, creatine, NAD+ boosters and multivitamins, and how to use it. Read more…
High-Protein Swaps for Every Meal to Keep Muscle at 40+
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A common starting point is roughly 25-30 grams of protein at each meal, plus lifting. Here are simple swaps for breakfast, lunch, snacks and dinner, with the numbers and the research limits. Read more…
5 Everyday Habits Associated With Brain Health
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Dementia can feel like something that either happens to you or doesn’t. A 2024 Lancet Commission report estimates how much dementia in a population is linked to 14 modifiable risk factors; here are five habits tied to that list. Read more…





