Latin American Study of Nutrition and Health (ELANS)

Dear Colleagues,

The Latin American Study of Nutrition and Health (ELANS) is a collaboration among scientists from eight countries using a common design and comparable methods across the region. The study uses a large sample (15–65 years) of more than 9000 people in urban areas. Participants were chosen by a randomized complex, multistage sampling and the recruitment was done pairing sex, age, and socioeconomic level. ELANS provided an opportunity to compare estimates of behavior between countries and to investigate the influence of lifestyle characteristics and obesity in a multinational study.

Several ELANS principal investigators, collaborators and students, were stimulated to develop several manuscripts many already published. Papers appearing in this issue—project collection—are the result of these efforts. In addition, each site principal investigator has been encouraged to pursue relevant studies within their own country using  regional data. We are proud of the team, their effort and the end results. We hope that the impact on the field of obesity will be felt for many years into the future through the sustained efforts of the research team. The project collection will contribute to efforts to accurately estimate the lifestyle characteristics and to prevent obesity in Latin America region.

Dr. Gerson Ferrari
Dr. Mauro Fisberg
Dr. Irina Kovalskys
Project Leaders

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