Giorgia Guglielmi

Giorgia Guglielmi is a freelance science writer based in Basel, Switzerland. Specializing in life sciences, medicine, and the relationship between science and society, she has published numerous articles in outlets including Nature, Science, and Scientific American. She holds a PhD in biology from the European Molecular Biology Laboratory and a Master’s in Science Writing from the Massachusetts Institute of Technology. She has received recognition for her work, including the John Kendrew Award in 2020 and an ERC-funded FRONTIERS Media Fellowship in 2025. She has also led lectures and workshops on science communication at institutions such as Harvard University and the University of Zurich.

Obesity, but not diabetes, is associated with microbiota alterations

Obesity, dietary supplements and key medications such as antidiabetics are associated with changes in gut microbiota composition, a recent study claims.

Gut bacteria prevent mice from becoming obese

A study published in the journal Science identified a specific class of gut bacteria that prevents mice from becoming obese.

How many genes make up the human microbiome?

There may be more genes in the gut and oral microbiome than previously thought, a large study of the human microbiome claims.

Stool transplants extend life in mice that age prematurely

A study suggests the existence of a link between aging and the gut microbiota. The results may help design probiotic treatments for age-related conditions.

Childbirth antibiotics have long-lasting effects on infants’ gut microbiota

Antibiotics given to mothers during childbirth could alter the infants’ gut microbiota, a new study published in Scientific Reports finds.

How the gut microbiota modulates human health

The gut microbiota could influence our health by producing metabolites that interact with human receptors, a study published in Cell Host & Microbe claims.

Gut microbes influence muscle mass and function in mice

According to a recent study published in Science Translational Medicine, the gut microbiota may influence the development of muscle mass.

Bacterial supplement could reduce risk of heart disease in obese people

People with obesity-related conditions may benefit from supplements of the gut commensal Akkermansia muciniphila, a recent study suggests.

Microbial compound could predispose children to asthma

A microbial compound could increase the risk of asthma in children. A study identified the mechanisms that link the microbiota to allergies.

High-fat diets induce reproducible changes in the mouse gut microbiota

A high-fat diet induces reproducible changes in the gut microbiota, a meta-analysis published in Cell Host & Microbe revealed.

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