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.

Some gut bacteria may help ease cognitive impairment associated with Alzheimer’s

Specific strains of the gut commensal Faecalibacterium prausnitzii may help ease the cognitive difficulties associated with Alzheimer’s disease. A new study published in Cell Reports Medicine claims.

Many long-term residents of the infant gut come from mothers

About 11% of microorganisms that colonize the infant gut persist during the first year of life, and many of them come from the infants’ mothers. A new study published in…

Medications may build up in gut microbes in ways that reduce the drugs’ efficacy

Medications can accumulate in gut microbes, altering the activity of bacteria and potentially reducing the effectiveness of the drugs. A new study published in Nature claims.

Gut microbes may worsen brain injury in preterm babies

New therapeutic approaches that target the gut-microbiota-immune-brain axis could help to protect preterm infants from brain injury. A new study published in Cell Host & Microbe claims.

The microbiota of wild bears reflects changes in antibiotic use

A recent study published in Current Biology highlights how microbiotas from the past could be used to monitor environmental changes and it provides an example for how policies to control…

High-salt diet may help inhibit tumor growth by modulating the gut microbiota

The findings of a recent study published in Science Advances suggest that a high-salt diet modulates the gut microbiota in ways that boost tumor immunity.

Antibiotics-driven changes in the microbiota could impact lifespan

The type of microbiome that repopulates the gut after antibiotics has the potential to reprogram the mammalian immune system with long-lasting effects including on longevity. A new study published in…

Molecules from dying gut cells fuel bacterial growth

Chemotherapy treatment and intestinal diseases can alter the process of programmed cell death, which can lead to gastrointestinal tract's infections.

How gut microbes could contribute to cognitive impairment

Specific changes in the gut microbiota could contribute to disruptions in brain physiology and cognitive behavior. This process leads to cognitive impairment. A new study published in Cell Host &…

Geographic differences in gut microbes may influence resistance to infection

The ability to transfer resistance to infection suggests that the microbiota could be harnessed for therapeutic treatments. A new study published in Cell Reports claims.

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