The Smart Ring Accuracy Crisis | Longevity News Roundup — Week 37, 2026

In this week’s Longevity News Roundup, Phil Newman examines Oura’s IPO and sleep suit, movement context in dementia, dog gene therapy, Rentosertib biological clocks, and women's health.

• ŌURA filed for a $16 billion IPO on Nasdaq under ticker Oura, seeking to raise up to $3 billion. Simultaneously, the smart ring company is defending its sleep stage tracking accuracy in a California class action lawsuit alleging its metrics are no better than a coin flip.
• A 74-study review of 4.2 million people showed leisure movement lowered dementia risk by 24%, while physically demanding jobs increased risk by 20%. This highlights how movement context and recovery matter far more than basic step counts.
• GenFlow Biosciences reported that its SLAB trial testing SIRT6 gene therapy in 24 aged beagles met its primary endpoint. Treated dogs demonstrated reduced biological age on the Grim methylation clock alongside secondary functional gains.
• Insilico Medicine published a Phase 2a trial analysis revealing its AI-designed IPF drug Rentosertib reduced predicted biological age. Across six proteomic clocks, patients taking 30 mg twice daily showed three to four years of age reduction.
• Biograph launched a dedicated women's preventative health program integrated into its concierge membership tiers. The program combines hormone testing, personalized risk assessments, and life-stage care spanning perimenopause, menopause, and cardiovascular health.

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News & References:

• ‘Biograph builds dedicated women’s preventive health arm → https://longevity.technology/news/biograph-builds-dedicated-womens-preventive-health-arm/
• Rentosertib puts aging clocks to the clinical test → https://longevity.technology/news/rentosertib-puts-aging-clocks-to-the-clinical-test/
• Genflow Biosciences trial meets primary endpoint in aged dogs → https://longevity.technology/news/genflow-biosciences-trial-meets-primary-endpoint-in-aged-dogs/
• Study shows the way you move matters more than how often → https://longevity.technology/news/study-shows-the-way-you-move-matters-more-than-how-often/
• Smart ring maker Oura prepares for US IPO at up to $3b raise → https://longevity.technology/news/smart-ring-maker-oura-prepares-for-u-s-ipo-at-up-to-3b-raise/
• ŌURA defends its sleep science amid class-action lawsuit → https://longevity.technology/news/oura-defends-its-sleep-science-amid-class-action-lawsuit/

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Host:Phil Newman: https://qrco.de/bgXpNY