https://www.elconfidencial.com/alma-corazon-vida/2022-06-30/optimismo-pesimismo-estudio-vida-anos_3451112/#:~:text=Es%20m%C3%A1s%2C%20el%20optimismo%20puede,hecho%20denominado%20%E2%80%9Clongevidad%20excepcional%E2%80%9D.&text=El%20estudio%20se%20realiz%C3%B3%20solamente,15%25%20m%C3%A1s%20que%20los%20pesimistas