In this episode of The Plastic Principle, Dr. John Diaz is joined by Dr Mahshid Shelechi for an in-depth conversation on aging and longevity. Together, they explore the science behind why we age, what current research reveals about extending human lifespan, and which lifestyle factors are proven to help people live longer, healthier lives. From landmark studies on aging to the possibility of expanding the average human lifespan toward 120 years, this episode offers a fascinating look at where longevity science is today—and where it’s headed in the future.

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In this episode of The Plastic Principle, Dr. John Diaz sits down with Maria Adell, the top hyperhidrosis provider in the United States, to share a story that embodies the heart of the podcast’s name: the power to reshape your life.

Maria opens up about her journey from growing up in Mexico to immigrating to the U.S. with two young children, unable to speak the language, and working $10-an-hour jobs just to keep food on the table. Through resilience, discipline, and a belief in creating her own future, she transformed every challenge into momentum—eventually becoming the most successful hyperhidrosis provider in the country.

This episode dives into her career, her mindset, the obstacles she refused to let define her, and how the principles behind plastic surgery can also guide personal transformation. It’s a conversation about grit, renewal, and what’s possible when you decide to mold your life into something greater.

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In this episode of The Plastic Principle, Dr. John Diaz sits down with anesthesiologist Dr. Diba Daneshrad to demystify one of the most misunderstood parts of surgery: anesthesia. From debunking common myths to explaining exactly what happens as you “go under,” Dr. Daneshrad gives a clear, reassuring look into a process that’s far safer and more sophisticated than most people realize.

They break down how anesthesiologists monitor your body moment-to-moment, how they tailor medications to each patient, and the systems in place to keep you comfortable and protected throughout surgery. Whether you’re preparing for an upcoming procedure or simply curious, this episode offers an inside look at the science, safety, and skill behind anesthesia.

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