[6] In 1989, Tuñón joined the Sistema Nacional de Investigadores (National System of Researchers).

[6] In 2011 she was appointed as a professor for the academic term at the University of Paris-VIII for literature of the Romance languages including Italian, Portuguese and Spanish.

[9] In February, 2015, Tuñón began a collaboration on an Illustrated History of Mexico series with Enrique Florescano[10] and in March, 2015, she retired from INAH.

2—March 2001) called Tuñón's analytical treatment "elegant" and her Mujeres de luz y sombra en el cine mexicano: La construcción de una imagen, 1939-1952 (Women of light and shadow in the Mexican cinema: The construction of an image, 1939-1952) one of the best histories currently being written in Mexico.

[13] In particular, she looks at topics like guilt, the role of Christian morality,[14] poverty,[15] gender and power relationships[16]