Call to Schedule Free Consultation at Over 80 Centers Worldwide!

Dr. David Greene

MD, PhD, MBA

All Posts

Athlete holding painful ankle injury highlighting inflammation treated with PRP therapy at R3 Stem Cell Johannesburg, South Africa
Blog

PRP Treatment for Sports Injuries and Arthritis in South Africa

Whether you play rugby on weekends, compete professionally in cricket, or simply stay active through soccer or running, a sports injury can sideline you for weeks or even months. Traditionally, the answer has been rest, physical therapy, and, in more serious cases, surgery. But regenerative

Read More
A minimalist, stylized white line art illustration of a human liver and gallbladder with its internal biliary tree network, set against a dark teal gradient background.
Blog

Stage 4 Liver Disease Reversed: A Stem Cell Therapy Patient Story

For millions of Americans managing diabetes, the disease rarely travels alone. Over time, it damages nerves, organs, and tissues in ways that standard medications can slow but often cannot reverse. For Steve Merritt, that reality had become life-threatening — until stem cell therapy changed the

Read More
A close-up of a person scratching a red, inflamed rash on their upper arm near the elbow, illustrating an early skin reaction or erythema migrans rash associated with Lyme disease.
Blog

Reclaiming Vitality: Stem Cells for Lyme & Sjogren’s Brain Fog

Living with autoimmune or tick-borne illness rarely means managing just one condition. For Lori, it meant three — Sjögren’s syndrome, Lyme disease, and Rocky Mountain spotted fever, all diagnosed simultaneously in January 2015. The result was extreme, debilitating fatigue and cognitive fog that conventional treatment

Read More
Male patient consulting a doctor about stem cell therapy for erectile dysfunction in Johannesburg, South Africa
Blog

Can Stem Cell Therapy Help with Erectile Dysfunction?

Erectile dysfunction is one of the most common yet least-discussed men’s health concerns worldwide. Many men silently struggle with it for years before seeking help — and many who do seek help find that conventional treatments like oral medications or injections don’t fully restore normal

Read More
Doctor consulting with a concerned female patient about exosome therapy side effects in a modern medical clinic with soft scientific background elements.
Blog

Exosome Therapy Side Effects: What 28,000 Procedures Reveal

Exosomes are extracellular vesicles — tiny, membrane-bound particles naturally released by cells as part of normal cellular communication. They are approximately 100 times smaller than a cell, placing them firmly in the realm of nanotechnology. Unlike stem cells, exosomes do not divide or engraft into

Read More
Exosomes vs PRP therapy comparison in regenerative medicine
Blog

Exosomes vs. PRP: What’s the Difference?

Two of the most widely discussed treatments in regenerative medicine today are platelet-rich plasma (PRP) and exosome therapy. Patients and providers alike often ask how they compare — and whether one is better than the other. The honest answer is that they are fundamentally different

Read More