John Ioannidis, a professor of medicine and epidemiology at Stanford University, presents his new book ‘Contrasting States’ in Athens on December 5, 2024. The book explores the intense relationship between two main characters as they navigate through real, mythical, and fantastical cities. A previous presentation took place in Thessaloniki on December 3, 2024. Ioannidis is well-known for his influential research on the reliability of published research findings.