🔎 Today’s Daily Sift: Longevity Longevity is moving from measurement to prediction. That is the signal today. On August 18, new industry analysis showed that Oura, Whoop, Neko Health, Prenuvo and Function Health are all moving toward the same destination. Personal health operating systems. Wearables. Blood biomarkers. Imaging. Health records. AI interpretation. The device matters less. The intelligence layered above it matters more. Venture investment in longevity technology is projected to reach roughly $8 billion to $9 billion this year, up dramatically from about $500 million a decade ago. Then science pushed the same idea deeper. A new Cell study published August 18 mapped nearly 3 million cell nuclei across eight macaque brain regions across adulthood, giving researchers a much more detailed picture of how the brain changes with age. And Nature delivered the macro warning. People across much of Asia are living longer. The next challenge is making sure those e...