Luiz Ladeira has participated in the Risk Assessment Summer School (#RASS) (https://iutox.org/rass.asp) promoted by the International Union of Toxicology (IUTOX) and co-sponsored by the EUROTOX, the American College of Toxicology (ACT), the Society of Toxicology (SOT), and the Turkish Society of Toxicology (TTD) between May 23 and 27, in Istanbul – Turkey.