Early childhood predictors of adult body composition

Céline Druet1, Ken K Ong

  • 1MRC Epidemiology Unit, Institute of Metabolic Science, Addenbrooke's Hospital, Box 285, Cambridge CB2 0QQ, UK. cd403@medschl.ca.ac.uk

Insights

Early life growth, including fetal development and early childhood nutrition, significantly influences adult obesity risk. Genetic factors also play a role in rapid growth and obesity development.

Area of Science:

  • Developmental biology
  • Pediatric nutrition
  • Obesity research

Background:

  • Intra-uterine development and early childhood growth are critical periods for obesity risk.
  • Fetal growth, indicated by birth weight, may program lean body mass.
  • Small for gestational age infants show a predisposition to fat accumulation, especially intra-abdominal fat.

Purpose of the Study:

  • To investigate the critical periods influencing obesity risk.
  • To explore the roles of prenatal growth restraint and postnatal catch-up growth in fat accumulation.
  • To examine the contribution of genetic factors to growth and obesity.

Main Methods:

  • Analysis of fetal growth markers (e.g., birth weight).
  • Assessment of postnatal growth patterns.
  • Investigation of genetic and heritable factors.

Main Results:

  • Fetal growth may program lean body mass.
  • Small for gestational age infants are prone to increased fat mass.
  • Genetic factors influence rapid postnatal growth and obesity risk.

Conclusions:

  • Early life growth, encompassing prenatal and postnatal periods, is crucial for long-term obesity risk.
  • The interplay between antenatal growth restraint, postnatal catch-up growth, and genetic factors requires further investigation.
  • Future research should focus on the timing and interaction of these factors in obesity development.

Related Concept Videos

Signs of Puberty01:27

Signs of Puberty

Puberty is a critical phase, typically beginning between the ages of 8 and 13 in girls and 9 and 14 in boys, though timing can vary based on genetics, environmental factors, and overall health. This period is characterized by the development of secondary sexual characteristics and the attainment of reproductive potential. Endocrine changes underpin puberty, with hormonal surges of Luteinizing Hormone (LH) and Follicle-Stimulating Hormone (FSH) instigated by Gonadotropin-Releasing Hormone (GnRH)...
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...
Nature and Nurture01:10

Nature and Nurture

Many human characteristics, like height, are shaped by both nature—in other words, by our genes—and by nurture, or our environment. For example, chronic stress during childhood inhibits the production of growth hormones and consequently reduces bone growth and height. Scientists estimate that 70-90% of variation in height is due to genetic differences among individuals, and 10-30% of variation in height is due to differences in the environments that individuals experience, such as differences...
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...
Hypodermis01:02

Hypodermis

The hypodermis (the subcutaneous layer or superficial fascia) is present directly below the dermis. It connects the skin to the underlying fascia (fibrous tissue) of the bones and muscles. It is not strictly a part of the skin, although the border between the hypodermis and dermis can be difficult to distinguish. The hypodermis consists of well-vascularized, loose, areolar connective tissue and adipose tissue, which functions as a mode of fat storage and provides insulation and cushioning for...
Bone Disorders01:29

Bone Disorders

Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...