Early life gut microbiome and its impact on childhood health and chronic conditions

The development of the gut microbiome is crucial to human health, particularly during the first three years of life. Given its role in immune development, disturbances in the establishment process of the gut microbiome may have long term consequences. This review summarizes evidence for these claims...

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Main Authors: Harold Nunez, Pamela A. Nieto, Ruben A. Mars, Maryam Ghavami, Cheryl Sew Hoy, Kimberley Sukhum
Format: Article
Language:English
Published: Taylor & Francis Group 2025-12-01
Series:Gut Microbes
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Online Access:https://www.tandfonline.com/doi/10.1080/19490976.2025.2463567
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author Harold Nunez
Pamela A. Nieto
Ruben A. Mars
Maryam Ghavami
Cheryl Sew Hoy
Kimberley Sukhum
author_facet Harold Nunez
Pamela A. Nieto
Ruben A. Mars
Maryam Ghavami
Cheryl Sew Hoy
Kimberley Sukhum
author_sort Harold Nunez
collection DOAJ
description The development of the gut microbiome is crucial to human health, particularly during the first three years of life. Given its role in immune development, disturbances in the establishment process of the gut microbiome may have long term consequences. This review summarizes evidence for these claims, highlighting compositional changes of the gut microbiome during this critical period of life as well as factors that affect gut microbiome development. Based on human and animal data, we conclude that the early-life microbiome is a determinant of long-term health, impacting physiological, metabolic, and immune processes. The early-life gut microbiome field faces challenges. Some of these challenges are technical, such as lack of standardized stool collection protocols, inconsistent DNA extraction methods, and outdated sequencing technologies. Other challenges are methodological: small sample sizes, lack of longitudinal studies, and poor control of confounding variables. To address these limitations, we advocate for more robust research methodologies to better understand the microbiome’s role in health and disease. Improved methods will lead to more reliable microbiome studies and a deeper understanding of its impact on health outcomes.
format Article
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institution Kabale University
issn 1949-0976
1949-0984
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publishDate 2025-12-01
publisher Taylor & Francis Group
record_format Article
series Gut Microbes
spelling doaj-art-356550989bc948e189bc1d25859a07742025-02-07T08:10:53ZengTaylor & Francis GroupGut Microbes1949-09761949-09842025-12-0117110.1080/19490976.2025.2463567Early life gut microbiome and its impact on childhood health and chronic conditionsHarold Nunez0Pamela A. Nieto1Ruben A. Mars2Maryam Ghavami3Cheryl Sew Hoy4Kimberley Sukhum5Seeding Inc, DBA Tiny Health, Austin, Texas, USASeeding Inc, DBA Tiny Health, Austin, Texas, USASeeding Inc, DBA Tiny Health, Austin, Texas, USASeeding Inc, DBA Tiny Health, Austin, Texas, USASeeding Inc, DBA Tiny Health, Austin, Texas, USASeeding Inc, DBA Tiny Health, Austin, Texas, USAThe development of the gut microbiome is crucial to human health, particularly during the first three years of life. Given its role in immune development, disturbances in the establishment process of the gut microbiome may have long term consequences. This review summarizes evidence for these claims, highlighting compositional changes of the gut microbiome during this critical period of life as well as factors that affect gut microbiome development. Based on human and animal data, we conclude that the early-life microbiome is a determinant of long-term health, impacting physiological, metabolic, and immune processes. The early-life gut microbiome field faces challenges. Some of these challenges are technical, such as lack of standardized stool collection protocols, inconsistent DNA extraction methods, and outdated sequencing technologies. Other challenges are methodological: small sample sizes, lack of longitudinal studies, and poor control of confounding variables. To address these limitations, we advocate for more robust research methodologies to better understand the microbiome’s role in health and disease. Improved methods will lead to more reliable microbiome studies and a deeper understanding of its impact on health outcomes.https://www.tandfonline.com/doi/10.1080/19490976.2025.2463567Infant microbiomeimmune developmentgut microbiotachronic conditionsearly life gut microbiomecesarean delivery microbiome
spellingShingle Harold Nunez
Pamela A. Nieto
Ruben A. Mars
Maryam Ghavami
Cheryl Sew Hoy
Kimberley Sukhum
Early life gut microbiome and its impact on childhood health and chronic conditions
Gut Microbes
Infant microbiome
immune development
gut microbiota
chronic conditions
early life gut microbiome
cesarean delivery microbiome
title Early life gut microbiome and its impact on childhood health and chronic conditions
title_full Early life gut microbiome and its impact on childhood health and chronic conditions
title_fullStr Early life gut microbiome and its impact on childhood health and chronic conditions
title_full_unstemmed Early life gut microbiome and its impact on childhood health and chronic conditions
title_short Early life gut microbiome and its impact on childhood health and chronic conditions
title_sort early life gut microbiome and its impact on childhood health and chronic conditions
topic Infant microbiome
immune development
gut microbiota
chronic conditions
early life gut microbiome
cesarean delivery microbiome
url https://www.tandfonline.com/doi/10.1080/19490976.2025.2463567
work_keys_str_mv AT haroldnunez earlylifegutmicrobiomeanditsimpactonchildhoodhealthandchronicconditions
AT pamelaanieto earlylifegutmicrobiomeanditsimpactonchildhoodhealthandchronicconditions
AT rubenamars earlylifegutmicrobiomeanditsimpactonchildhoodhealthandchronicconditions
AT maryamghavami earlylifegutmicrobiomeanditsimpactonchildhoodhealthandchronicconditions
AT cherylsewhoy earlylifegutmicrobiomeanditsimpactonchildhoodhealthandchronicconditions
AT kimberleysukhum earlylifegutmicrobiomeanditsimpactonchildhoodhealthandchronicconditions