The Plastic Principle

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 expa...

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 jo...

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 d...

In this episode of The Plastic Principle , Dr. John Diaz sits down with world-renowned plastic surgeon Dr. Marc Mani to explore the artistry and innovation behind the endoscopic facelift . Known for its minimal incisions, quicker recovery, and natural-looking results, the endoscopic approach is rapidly becoming a preferred technique for both surgeons and patients. Dr. Mani breaks down how the proc...

In this episode of The Plastic Principle, Dr. John Diaz welcomes Dr. Eric Snyder, an experienced ER physician. Dr. Snyder shares real-world cases of when plastic surgery goes wrong and patients end up in the emergency room. Together, they discuss the crucial difference between a board-certified plastic surgeon and a self-described “cosmetic surgeon,” and why that distinction can mean the differenc...

In this episode, Dr. Diaz is joined by Dr. Steven Teitelbaum to talk candidly about one of the most commonly performed plastic surgeries: breast augmentation. They dive into the differences between saline and silicone implants, discuss the truth behind breast implant illness, share ways to reduce the risk of capsular contracture, and explain how to choose the right size for natural-looking, lastin...

This week’s episode takes a different approach — no guest, just an honest, in-depth conversation about one of the most controversial topics in plastic surgery: breast implant illness. Dr. Diaz explores the questions, concerns, and emotions surrounding this complex condition, breaking down what we know, what we don’t, and the data that exists on both sides of the debate. Whether you’re considering...

In this episode of The Plastic Principle , Dr. John Diaz is joined by world-renowned plastic surgeon Dr. Ashkan Ghavami for a deep dive into the science of facelifts. They break down what really happens beneath the skin, how modern techniques have evolved, and why the best results are more than skin deep. The two also share expert insight on what to look for when choosing a plastic surgeon—from cr...

In this episode, Dr. Diaz sits down with Dr. Jay Calvert to talk about what truly makes a plastic surgeon great — and why the best results are about more than just technical skill. From subtle rhinoplasty techniques to the eye for balance and proportion that separates good from great, they explore how plastic surgery is as much an art as it is a science. If you’ve ever wondered what it really take...

In this episode, Dr. Diaz welcomes special guest Dr. Garth Fisher for a wide-ranging conversation that blends personal story with professional insight. They cover Dr. Fisher’s journey into plastic surgery, the viral speculation around Kylie Jenner’s implants, and the nuances of the “under the muscle” technique. But beyond trends and tabloid headlines, they dig into what really matters — delivering...

Social media is overflowing with plastic surgery advice, but how much of it is actually true? In this episode, Dr. Diaz sits down with the most influential plastic surgeon of our lifetime, Dr. Rod Rohrich, to separate fact from fiction in the age of Instagram and TikTok. They unpack the difference between cosmetic surgeons and true plastic surgeons, how patients can make informed choices, and why...

In this premiere episode, Dr. Diaz takes us back to the unexpected beginnings of plastic surgery during World War I, where necessity sparked innovation on the battlefield. But this conversation goes deeper than history — it’s about transformation. Dr. Diaz shares how the principles of plastic surgery mirror something we all experience: the ability to shape our lives through intentional choices. Ju...