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Revista médica de Chile

versión impresa ISSN 0034-9887

Rev. méd. Chile vol.142 no.8 Santiago ago. 2014 



Obesity and cancer

Obesidad y cáncer


Hai Err1, Viroj Wiwanitkit2

1 Sanitation Medical Academic Center. Bangkok, Thailand.
2 Visiting Professor, Hainan Medical University, China.

Correspondencia a:


To the Editor:

The recent report on obesity and cancer is very interesting 1. Lusia et al. noted that “20% of all cancers could be prevented by obesity prevention and control strategies 1.” In fact, there are many reports focusing on the possible relationship between obesity and cancer. However, it is still a myth. Based on the present report in your journal, there can be a bias in it. The “average obesity” in the population studied comes from average values of both obese and non obese groups and this cannot represent the individual. In fact, the assessment of risk should be obtained in a case control study based on comparing obese cases to non obese ones. In addition, there are several types of cancers and the assessment of risk factors should be made for each specific kind of cancer. To draw a conclusion as the one proposed in the present report seems to be too early.

Nota del Editor: Esta carta fue enviada a la autora corresponsal aludida, sin obtener una réplica en el plazo pertinente.



1. Garmendia ML, Ruiz P, Uauy R. [Obesity and cancer in Chile: Estimation of population attributable fractions]. Rev Med Chile [online]. 2013; 141: 987-94.         [ Links ]


Correspondencia a: Hai Err, Sanitation.
Medical Academic Center, Bangkok Thailand.

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