Author

Hania Szajewska

Professor

Department of Paediatrics, Medical University of Warsaw (Professor and Chair)

Until June 2019, served as the Editor-in-Chief of the Journal of Pediatric Gastroenterology and Nutrition.

Previously a member of the Council and then as the General Secretary of ESPGHAN. Also served as the Secretary of the ESPGHAN Committee on Nutrition.

Most recently (January 2019), joined the Board of Directors of the International Scientific Association for Probiotics and Prebiotics.

Has broad interests in paediatric nutrition, but her research focuses on the effects of early dietary interventions on later outcomes, the gut microbiota modifications such as with probiotics and/or prebiotics, and diarrheal diseases. She is or has been actively involved in several European Union-funded research projects. She is an enthusiastic advocate for the practice of evidence-based medicine.

She has co-authored more than 320 publications.

Publications

1 topic

HMOs and the Shaping of Microbiome Maturation: Review of Evidence and Clinical Implications

The NNI Symposium at the N&G Congress focused on Human Milk Oligosaccharides (HMOs), the science behind it and the roles…

Apr 01, 2023

1 min read Professor Hania Szajewska, Shaillay Kumar Dogra

Selected Human Milk Oligosaccharides Added to Infant Formulas for Term Infants

The benefits of breastfeeding, such as reduced risk of gastrointestinal and respiratory tract infections, depend largely…

51 min read Professor Hania Szajewska

4 topics

Annales 78.2 - Gut Microbiota: No Longer the Forgotten Organ

While the gut microbiota was once called “the forgotten organ”, it is no longer forgotten. On the contrary, it is a hot…

Dec 20, 2021

1 min read Professor Hania Szajewska, Dr. Andrew Prentice, R. Shamir

Evidence-Based Medicine and Clinical Research: Both Are Needed, Neither Is Perfect

Although evidence-based medicine (EBM) had a positive influence on medical practice in the last quarter of the 20th…

269 min read Professor Hania Szajewska

Gut Microbiota and Probiotics, Prebiotics, and Synbiotics

Dysbiosis, an altered gut microbiota composition and/or activity, contribute to the development and progression of…

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31 min read Professor Hania Szajewska

Evidence-based Medicine and HMOs: Where Are We Now? Where Are We Going?

A number of benefits of breastfeeding, particularly protection against child infections, may be, at least partially…

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2 min read Professor Hania Szajewska

1 topic

Annales 77.3 - Vitamin D: From Gestation to Adolescence in Health and Disease

Vitamin D is a prohormone absorbed from food sources or supplements and also synthesized in the skin following exposure…

Dec 04, 2020

1 min read Carlos Lifschitz, Jatinder Bhatia, Weili Lin, …

2 topics

Controversies on the role of hydrolysed formulas in the prevention of allergy and management of cow’s milk protein allergy in infants

There are controversies surrounding the role of hydrolysed formulas (HF) in the prevention of allergy and management of…

Nov 21, 2019

41 min read Antonella Muraro, Professor Hania Szajewska, Kirsi Laitinen, …

1 topic

Human Milk Oligosaccharides (HMO) Symposia Abstracts

A collection of abstracts from NNI Symposia 2018-2019

Jul 08, 2019

1 min read Michelle MacGuire, Professor Lars Bode, Norbert Sprenger, …

2 topics

The Nest 44: Pro-, Pre-, and Synbiotics: Myths and Facts

Gut microbiota, including probiotics, prebiotics and synbiotics, is a hot topics of discussion in the clinical practice…

Feb 27, 2019

24 min read Professor Hania Szajewska, Clemens Kunz, Prof. Yvan Vandenplas

2 topics

Growth and Immunity – Early Nutrition Influence

0 min read Bernard Berger, Maria Carmen Collado, Clemens Kunz, …

2 topics

New Meta-Analyis A partially hydrolysed HA-Infant formula and the risk of eczemas and other allergies

How effective are hypoallergenic (HA) infant formulae for prevention of allergies in babies with increased risk? A…

Nov 06, 2017

4 min read Professor Hania Szajewska

Videos

1 topic

Can food allergy in children be prevented?

While it is known that food allergy cases are on the rise, the exact number is hard to ascertain due to the various…

Mar 04, 2023

Professor Hania Szajewska

2 topics

Targeting the gut microbiota to reduce the risk of disease. Where are we now?

A large number of studies indicated that alteration in gut microbiota composition and function, particularly in the…

Jun 24, 2021

Professor Hania Szajewska

2 topics

NNIW96: Selected Human Milk Oligosaccharides Added To Infant Formulas For Term Infants

Human milk oligosaccharides (HMOs) have no nutritional value but support the infant’s immune system.

Jun 08, 2021

Professor Hania Szajewska

2 topics

The Long Search for Evidence Based Nutritional Interventions

A 2017 meta-analysis concluded that the use of pHF reduces the risk of eczema and all allergic diseases at some, albeit…

Nov 13, 2020

Professor Hania Szajewska

4 topics

Evidence-based Medicine and HMOs: Where are we now? Where are we going?

A number of benefits of breastfeeding, particularly protection against child infections, may be, at least partially…

May 06, 2020

Professor Hania Szajewska

1 topic

Nutrition & Gut comfort

Gut microbiota plays an important role in gut comfort. Probiotics has been proven to play a role in nutritional…

Apr 16, 2020

Professor Hania Szajewska

4 topics

Evidence-based Medicine and HMOs: Where Are We Now? Where Are We Going? Hania Szajewska

Mar 21, 2019

Professor Hania Szajewska

1 topic

Evidence-Based Medicine and Clinical Research: Both are Needed, Neither is Perfect

Over the past 25 years, evidence based medicine (EBM), defined as individual clinical expertise, best research evidence…

May 23, 2018

Professor Hania Szajewska

1 topic

What do I talk about when I talk about probiotics?

Probiotics have the potential to improve human health and reduce the risk of diseases mediated by imbalances in the…

May 22, 2018

Professor Hania Szajewska

1 topic

Hydrolysed Protein and Allergy Prevention – the Role of Meta-analysis

Not all hydrolyzed formulas are equal. The efficacy for prevention of allergy should be established for each hydrolysed…

Nov 30, 2017

Professor Hania Szajewska

2 topics

Hydrolyzed Protein and Allergy Prevention - The Role of Meta-analysis

Hania Szajewska wants to help medical practitioners understand how the use of meta-analysis as a research tool can lead…

Sep 27, 2017

Professor Hania Szajewska

1 topic

Hydrolyzed Formulas for Allergy Prevention

The number of systematic reviews with meta-analyses is increasing rapidly, and they are unlikely to disappear.

Jan 20, 2017

Professor Hania Szajewska

Expert opinions

4 topics

Prevention of Atopic Dermatitis Through Hydrolysates

I am Hania Szajewska, the head of the department of pediatrics at the Medical University of Warsaw and one of the…

Feb 22, 2016

2 min read Professor Hania Szajewska

3 topics

Can probiotics help with baby colic?

Colic can be a nightmare for parents of young babies. The spontaneous episodes of fussing and crying that come with…

Sep 16, 2014

4 min read Professor Hania Szajewska