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Health Benefits of Breastfeeding for Infants

Published May 29, 2024

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Breastfeeding is widely recognized as the optimal method of feeding infants, offering a multitude of health benefits that extend well beyond basic nutrition. The World Health Organization and the American Academy of Pediatrics both strongly recommend exclusive breastfeeding for the first six months of life. This blog, we’ll review how breastfeeding can provide infants with a variety of health benefits, even as they grow into their toddler and teen years. 

Nutritional Superiority

Breast milk is uniquely tailored to meet the nutritional needs of infants. It contains the perfect balance of proteins, fats, vitamins, and carbohydrates necessary for a baby’s growth and development.

  • Balanced Nutrition: According to a study published inPediatrics, breast milk provides all the essential nutrients in the right proportions, including over 200 beneficial components such as antibodies, hormones, and enzymes that are not found in formula milk. These elements are crucial for the healthy development of infants.
  • Growth and Development: Research in theJournal of Human Lactation shows that breastfed infants typically have better weight gain and growth patterns compared to formula-fed infants. The study found that breast milk's unique composition supports optimal physical and cognitive development.

Immune System Boost

Breastfeeding significantly boosts an infant’s immune system, helping to protect against various infections and diseases.

  • Reduced Infections: Breast milk contains immunoglobulins, particularly IgA, which protect the infant's mucous membranes in the throat, lungs, and intestines. A study in theJournal of Nutrition found that breastfed infants had a lower incidence of respiratory and gastrointestinal infections compared to formula-fed infants.
  • Long-Term Protection: The benefits of breastfeeding extend beyond infancy. According to research published inThe Lancet, breastfeeding is associated with a reduced risk of developing chronic conditions such as type 1 diabetes, celiac disease, and certain types of cancers later in life. The study emphasizes that the protective effects are dose-dependent, with longer durations of breastfeeding offering greater benefits.

Begin Health Expert Tip

HMOs are the third most abundant component of human breast milk. Check out what makes HMOs unique and how including them into your little one’s diet now can can protect and support their gut and and overall health now and into the future.  

Cognitive Benefits

Breastfeeding has been linked to enhanced cognitive development and intelligence in infants.

  • Higher IQ Scores: A meta-analysis inJAMA Pediatrics concluded that breastfed infants tend to have higher IQ scores and better academic performance later in life. The analysis included over 17 studies and found a consistent positive correlation between breastfeeding duration and cognitive outcomes.
  • Brain Development: Essential fatty acids, particularly DHA (docosahexaenoic acid), found in breast milk are vital for brain development. Research inPediatric Research showed that breastfed infants have higher levels of DHA in their brain tissue, contributing to improved neurodevelopmental outcomes.

Reduced Risk of Sudden Infant Death Syndrome (SIDS)

Breastfeeding has been shown to lower the risk of SIDS, one of the leading causes of mortality in infants.

  • Lower SIDS Risk: A study published inPediatrics found that breastfeeding, even for a short duration, reduces the risk of SIDS by approximately 50%. The protective effect is thought to be due to improved immune responses and reduced incidences of infections that could contribute to SIDS.
  • Mother-Infant Bonding:Breastfeeding fosters a strong emotional bond between the mother and the infant, which is crucial for the infant’s emotional and psychological development.
  • Emotional Development: The skin-to-skin contact and the act of breastfeeding itself promote bonding and emotional security. Research inChild Development indicated that breastfed infants exhibit fewer behavioral problems and higher levels of social competence as they grow older.


Breastfeeding offers a wide array of health benefits for infants, including balanced nutrition, immune system support, enhanced cognitive development, reduced risk of SIDS, and stronger mother-infant bonding. By choosing to breastfeed, parents can provide their infants with the best possible start in life, promoting their overall health and well-being.


  1. Pediatrics: "Nutritional Composition of Breast Milk" (2012)
  2. Journal of Human Lactation: "Growth Patterns in Breastfed vs. Formula-fed Infants" (2016)
  3. Journal of Nutrition: "Impact of Breastfeeding on Infant Infections" (2018)
  4. The Lancet: "Long-Term Health Benefits of Breastfeeding" (2016)
  5. JAMA Pediatrics: "Breastfeeding and Child Cognitive Outcomes" (2015)
  6. Pediatric Research: "DHA Levels and Brain Development in Breastfed Infants" (2014)
  7. Pediatrics: "Breastfeeding and SIDS Risk Reduction" (2017)
  8. Child Development: "Breastfeeding and Emotional Development" (2019)