He has developed and studied technology for selective brain cooling. He is also a well-known expert in the area of hypertensive crises management. With Dr. Carlos Ayus, he co-described the hyponatremia associated with extreme exercise syndrome also known as the “Varon-Ayus syndrome”. Dr. Varon has lectured in over 56 different countries around the globe. Along with Professor Luc Montagnier (Nobel Prize Winner for Medicine in 2008), Dr. Varon created the Medical Prevention and Research Institute in Houston, Texas, where they conduct work on basic sciences projects. Dr. Varon has appeared on National and International television and radio show with his techniques and care of patients. He is well known for his academic and clinical work in the management of acute hypertension and has published extensively on this subject. In addition, he has worked on studies related to ethical issues in acute care medicine and has several peer-reviewed publications on this controversial subject.