Exercise Physiology for Women w/ Dr. Lauren Colenso-Semple, EP 213

In this episode, Marcos and Seamus are joined by Dr. Lauren Colenso-Semple, PhD in Integrative Physiology and Certified Strength & Conditioning Specialist. She's a researcher and science communicator specializing in female physiology, exercise, and nutrition, with extensive hands-on experience helping hundreds of women through every stage of life. Dr. Colenso-Semple co-owns the MASS Research Review, bridging the gap between cutting-edge research and practical strategies for coaches and trainers, and is known for fact-checking fitness and nutrition myths spread by online influencers. Her blend of scientific rigor and real-world coaching experience makes her a go-to voice for evidence-based guidance for women at every life stage.Time Stamps 0:01 — Intro & guest1:17 — Lauren's origin story3:26 — Science vs. anecdote6:56 — Anecdote vs. literature12:08 — Hormone fear-mongering17:45 — Social media clickbait21:24 — Supplement examples27:08 — Body composition goals32:15 — Cycle syncing discussion37:32 — Knee injuries aside40:39 — Athlete readiness beliefs44:45 — Contraceptives & bone density48:30 — Wearables & heart rate51:16 — Cortisol fear-mongering55:44 — Insulin/cortisol parallels58:38 — Data overload autonomy62:02 — Coaching with grace63:51 — Pregnancy training intro66:29 — Pregnancy research limits68:42 — Practical pregnancy implications72:27 — Female life-stage individualization75:45 — Closing thoughts & outroYou can find The Macro Perspective and its hosts here:Instagram Marcos  Seamus  TikTok YouTube  Facebook  Apple Podcast About the Podcast:The Macro Perspective is hosted by Marcos Rivera and Seamus Sullivan, and was born from a simple but powerful mission: to help people take ownership of their health and lives. As performance health coaches, they've spent their careers empowering clients to think critically, stay curious, and make informed choices—not just in fitness, but in all aspects of life. This podcast is an extension of that mission, bringing insightful conversations that challenge, educate, and inspire.