Leading health organizations recognize the profound benefits of breastfeeding and have very similar recommendations when it comes to nursing exclusivity and duration...
References
Exclusive breastfeeding for six months best for babies everywhere. World Health Organization. http://www.who.int/mediacentre/news/statements/2011/breastfeeding_20110115/en/ [Accessed June 27, 2018.] What are the recommendations for breastfeeding? National Institutes of Health. https://www.nichd.nih.gov/health/topics/breastfeeding/conditioninfo/recommendations [Accessed June 27, 2018.]
The Surgeon General’s Call to Action to Support Breastfeeding, 2011. U.S. Dept of Health and Human Services. https://www.surgeongeneral.gov/library/calls/breastfeeding/calltoactiontosupportbreastfeeding.pdf [Accessed June 27, 2018.]
Oddy, WH. Breastfeeding, childhood asthma, and allergic disease. Ann Nutr Metab. 2017;70 Suppl 2:26-36.
Bartick M, Reinhold A. The burden of suboptimal breastfeeding in the United States: a pediatric cost analysis. Pediatrics. 2010 May; 125(5):e 1048-56.
Kaplan R. Latch: A Handbook for Breastfeeding with Confidence at Every Stage. 1st ed. Emeryville, CA: Rockridge Press; 2018.