Healthy Aging: Why Exercise Is Non-Negotiable and Protein Is Supporting Cast
New research reframes the protein-first aging model. Exercise is the irreducible core of healthy aging — protein helps, but it doesn't replace what movement does at the cellular level.
Protein Restriction for Kidney Disease: What the Evidence Actually Shows
Peter Attia reviews the MDRD trial and Cochrane data: the default CKD advice to restrict protein lacks the evidence base it's been given — and the biggest trial showed higher long-term mortality in the restriction group.
Metabolic Health: Why GLP-1s Were Never the Whole Answer
GLP-1 drugs sparked the metabolic health boom, but the platforms building around it are betting the real product is what happens after the prescription.
The $10 Billion Probiotic Problem: What the Evidence Shows and What Works Instead
The probiotic market generates $10 billion per year despite evidence that most commercial supplements don't persist in the gut. Here's what the studies say—and five mechanistically stronger alternatives.
C15:0: The Saturated Fat That Longevity Researchers Are Rethinking
Pentadecanoic acid — an odd-chain saturated fatty acid — is showing geroprotective properties that challenge blanket warnings against saturated fat, with initial research from Navy dolphin aging studies.
Nuritas' AI-Discovered Peptides Are Now in Frozen Yogurt — and 31 Countries
Nuritas uses AI to discover functional peptides from plant proteins, then validates them through clinical research. At IFT FIRST 2026, PeptiStrong arrived in frozen yogurt format. What this means for functional nutrition.
Why Smart People Believe Bad Health Advice: The Cognitive Bias Map
Intelligence doesn't protect against health misinformation — it often amplifies it. Here's the framework for recognizing which cognitive traps are most likely to corrupt your health decision-making.
Ultra-Processed Foods Cut Sperm Motility 18% in Just Three Weeks
3 weeks of ultra-processed food cut sperm motility 18% and testosterone 11% in a controlled trial — without eating extra calories. The mechanism matters.
Magnesium Forms: Why the Type You Take Changes Everything
80% of people are magnesium deficient, but most supplements use a form with 4% bioavailability. Here's which form works for sleep, cognition, and energy.