Costco's Fertility Move, Peloton's Gym Push, New Strength Guidelines

March 17, 2026: Your daily rundown of health and wellness news, in under 5 minutes. Today's top stories: American College of Sports Medicine updates resistance training guidelines for first time in 17 years, emphasizing consistency over perfect programming Peloton introduces Commercial Series bike and treadmill for gyms, pairing Precor-engineered hardware with instructor-led classes shipping late 2026 Costco partners with Sesame and IVI RMA to offer fertility care with up to 80% savings on medications, addressing one in six Americans facing infertility Today's episode is brought to you by AIIR — a modern communications and experiential agency for health, wellness, fitness, and performance brands. From earned media to events and creator-led campaigns, AIIR helps companies sharpen their story, earn attention, and build trust that compounds. Visit https://aiir.agency to learn more. More from Fitt: Fitt Insider breaks down the convergence of fitness, wellness, and healthcare — and what it means for business, culture, and capital. Subscribe to our newsletter → insider.fitt.co/subscribe Work with our recruiting firm → https://talent.fitt.co/ Follow us on Instagram → https://www.instagram.com/fittinsider/ Follow us on LinkedIn → linkedin.com/company/fittinsider Reach out → [email protected]