IGF-1 Link: Dr. Jaime Guevara-Aguirre, Dr. Valter Longo, Laron Syndrome patients aka ‘Little People from Ecuador’. (Credit: Jake Whitman)

IGF-1 Link: Dr. Jaime Guevara-Aguirre, Dr. Valter Longo, Laron Syndrome patients aka 'Little People from Ecuador'. (Credit: Jake Whitman)

From left to right: (back row) Dr. Jaime Guevara-Aguirre, Dr. Valter Longo, (front row) Laron Syndrome patients, aka ‘The Little People from Ecuador’, who are immune to cancer and diabetes. (Credit: Jake Whitman)