[Health during the Cardenismo (1934-1940)].

The present symposium, Health during the Cardenismo (1934-1940), consist of four studies: Medical sanitary aspects in Mexico by Martha Eugenia Rodríguez; Campaigns against diseases by Carlos Viesca Treviño; Hospitals during Cardenism by Guillermo Fajardo Ortiz; and Military medicine in Mexico by Antonio Moreno Guzmán. Through them is given an integral vision of the state of health and illness during the administration of General Lázaro Cárdenas del Río, the first sexennial presidential government of the twentieth century. Several aspects are discussed, among them, the President's nationalist policy which led to an important distribution of land to the peasants.

[Typhus in Mexico City in 1915].

The year 1915 was particularly difficult; it was characterized by droughts, famines, and outbreaks of diseases including typhus.This text exposes its spread in Mexico City as well as the measures implemented to combat it, carried out before knowing the etiology of the illness, focused on cleaning up the environment and the measures undertaken afterwards with the aim of delousing people.

[The National School of Medicine at the centenary times].

It analyzes the National School of Medicine situation in the period of 1910 to 1916, when two historical events rebound in their working; firstly the opening of National University of Mexico, and, in the other hand, the beginning of Mexican Revolution. Despite of the uneven political, economical, and academic situation, the Medicine School kept its interest in the development of excellent medical doctors, reviewing subject of study and improving its buildings.

[Nicolás León, pioneer figure in the history of medicine].

Objective: To study Nicolás León (1859-1929) as historian of medicine, field in which he left 48 publications, out of a total of approximately 525.

Material: Most of the information analyzed is supported by primary sources, written by León himself.

Results: Nicolás León contributed mainly to present a general outlook of the history of medicine in Mexico, obstetrics being the field which he most thoroughly investigated, from Prehispanic period up to León's own times.