Breastfeeding and lowering the risk of childhood obesity

Julie Armstrong1, John J Reilly,

  • 1Glasgow Caledonian University, Glasgow, UK

PubMed

Insights

Breastfeeding may protect against childhood obesity. This study found significantly lower obesity rates in breastfed children, suggesting a protective effect even after accounting for other factors. This supports breastfeeding for long-term health.

Area of Science:

  • Pediatrics
  • Public Health
  • Epidemiology

Background:

  • Childhood obesity is a growing public health concern.
  • Evidence linking breastfeeding to reduced obesity risk is inconclusive.
  • Understanding protective factors for healthy weight development is crucial.

Purpose of the Study:

  • To investigate the association between breastfeeding and the risk of obesity in early childhood.
  • To test the hypothesis that breastfeeding confers protection against later obesity.

Main Methods:

  • Population-based study of 32,200 Scottish children.
  • Data collected between 1998-1999, assessing children at 39-42 months.
  • Obesity defined by body-mass index (BMI) at the 95th and 98th percentiles or higher.

Main Results:

  • The prevalence of obesity was significantly lower in breastfed children.
  • This association remained significant after adjusting for socioeconomic status, birthweight, and sex.
  • The adjusted odds ratio for obesity (BMI ≥ 98th percentile) was 0.70 (95% CI 0.61-0.80).

Conclusions:

  • Breastfeeding is associated with a reduced risk of childhood obesity.
  • Findings suggest a protective role for breastfeeding in preventing obesity.
  • Supports public health initiatives promoting breastfeeding for long-term child health.

Related Concept Videos

Lipids: Dietary Sources and Requirements01:18

Lipids: Dietary Sources and Requirements

Lipids are an essential component of a balanced human diet. Triglycerides, which make up the majority of dietary lipids, are found in both saturated fats—commonly present in meat, dairy products, and certain tropical plants like coconut, and hydrogenated oils such as margarine and baking shortenings (trans fats)—and unsaturated fats, which are abundant in seeds, nuts, olive oil, and most vegetable oils. The main sources of cholesterol include egg yolks, various meats and organ meats, shellfish,...
Obesity01:24

Obesity

The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in adipocytes...
Pathophysiology of Diabetes01:20

Pathophysiology of Diabetes

Diabetes mellitus is a chronic metabolic disorder characterized by hyperglycemia. The four categories of diabetes are type 1 diabetes, type 2 diabetes, other specific types of diabetes, and gestational diabetes.
Type 1 diabetes is characterized by autoimmune-mediated destruction of pancreatic β cells, with environmental factors potentially triggering this process in genetically susceptible individuals. Despite many not having a family history, certain genes increase susceptibility, suggesting a...
Stress Prevention and Stress Management Techniques IV01:26

Stress Prevention and Stress Management Techniques IV

Stress often leads to unhealthy habits like smoking, excessive drinking, and overeating, which offer short-term relief but ultimately increase long-term health risks. These behaviors create a cycle that temporarily lowers stress levels but can result in severe long-term health consequences. Breaking these habits is essential to reduce the risk of chronic diseases and improve overall well-being. Three primary changes that support better health include quitting smoking, reducing alcohol intake,...
Development of Human Microbiota01:30

Development of Human Microbiota

The human microbiota begins developing at birth and undergoes continual change as we age. Infancy marks a critical period of microbial sensitivity, offering a “window of opportunity” during which beneficial microbes help mature the immune system. By age three, children typically develop a more stable and diverse microbial community. Newborns acquire microbes from their immediate environment; vaginal delivery favors maternal vaginal microbes, while cesarean births favor microbes from the skin...
Development of the Oral Microbiota01:28

Development of the Oral Microbiota

The establishment of the oral microbiome begins before birth, challenging the long-held belief that the fetal oral cavity is sterile. The presence of oral microbes such as Streptococcus and Fusobacterium in amniotic fluid suggests that microbial exposure may occur in utero, potentially through translocation from the maternal oral or gastrointestinal tract. This early colonization primes the neonatal immune system and sets the stage for subsequent microbial succession. Maternal health,...