1. Centers for Disease Control and Prevention. Adult Obesity Causes & Consequences. 2016. Available at: https://www.cdc.gov/obesity/adult/causes.html . Accessed 23 Oct 2016.
2. Harvard TH Chan School of Public Health. 2016. Obesity Prevention Source: Health risks. Available at: https://www.hsph.harvard.edu/obesity-prevention-source/obesity-consequences/health-effects/ Accessed 23 Oct 2016.
3. Harvard TH Chan School of Public Health. 2016. Obesity Prevention Source: Economic costs. Available at: https://www.hsph.harvard.edu/obesity-prevention-source/obesity-consequences/economic/ Accessed 23 Oct 2016.
4. World Health Organization. 2016. Obesity and overweight. Avalaible at: http://www.who.int/mediacentre/factsheets/fs311/en/index.html . Accessed 7 July 2015.
5. Rodríguez-Rodríguez E, López-Plaza B, López-Sobaler AM, Ortega RM. Prevalencia de sobrepeso y obesidad en adultos españoles. Nutr Hospitalaria. 2011;26:355–63.