TikTok Blocks Peptide Searches, Oura Adds Fitness Metrics, Orangetheory Confronts Closures

October 21, 2026: Your daily rundown of health and wellness news, in under 5 minutes.

Today's top stories:

• Oura adds Cardio Effort and VO₂ max metrics to compete more directly in fitness tracking beyond sleep and recovery
• TikTok blocks searches for peptides like semaglutide, BPC-157, and TB-500 as peptide content spreads across social media
• Orangetheory's US footprint falls by about 135 studios since 2023, though industry visits remain strong as consumers mix formats

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