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EMBARGO UNTIL 1. SEPTEMBER 2022 AT 20 PM CET - Switzerland's professor Nelly Pitteloud, center, Head of the Department of Endocrinology, Diabetology and Metabolism, and researcher Doctor Michela Adamo, right, applie an injection box to a patient with down syndrome during a study of GnRH replacement rescues cognition in Down Syndrome at the University Hospital (CHUV), in Lausanne, Switzerland, Monday, August 22, 2022. The Institut at national de la sante et de la recherche medicale (Inserm, Lille), and the Centre hospitalier universitaire vaudois (CHUV, Lausanne) have collaborated to test the efficacy of a therapy based on the injection of the hormone GnRH to improve the cognitive functions of a small group of patients with Down syndrome. (KEYSTONE/Laurent Gillieron)