Introduction:

several studies on weight variation in university students have shown a remarkable weight increase over the course of their career.

Objective:

to determine the variation of body mass index in students from a humane medical school during the last three years of their career at a university in northern Perú.

Methods:

retrospective study of medical records from years 2011, 2012 and 2013, that belonged to students from the Escuela de Medicina Humana, at the Universidad Católica Santo Toribio de Mogrovejo.

Results:

the average body mass index variation per year was 0.43 kg/m². The variation of the global average weight in the three years was 2.15 kg, being 2.16 kg and 3.34 kg, in women and men, respectively.

Conclusions:

there was an increase in the body mass index, most often in men.

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