Some of the most unforgettable experiences for Rodrigo Vianna, MD, PhD, are when he comes across a patient who is now an adult and he performed a transplant on them as a baby. Seeing them older, living healthy lives, doing the things they love, is an ongoing inspiration.
The Chihuahua breed’s origins are steeped in mystery. It’s widely believed that they are direct descendants of the Techichi — a small dog of Chinese ancestry that dates back to Mayan times. It’s possible that explorers bred the Techichi with a small hairless dog, and the Chihuahua was the result.