Complex sentence: Professor Leena Palotie (née Peltonen, born June 16 1952 in Helsinki, Finland) is a Finnish geneticist who has contributed to the identification of 15 genes for Finnish heritage diseases, including arterial hypertension, schizophrenia, lactose intolerance, arthrosis and multiple sclerosis.
Split into simpler sentences: Professor Leena Palotie (née Peltonen, born June 16 1952 in Helsinki, Finland) is a Finnish geneticist. Palotie has contributed to the discovery of 15 genes for heritable diseases in the Finnish population, including arterial hypertension, schizophrenia, lactose intolerance, arthrosis and multiple sclerosis.