Author: Manal Mohammed, Senior Lecturer, Medical Microbiology, University of Westminster

ViDI Studio/Shutterstock From minimalist wrist designs to full sleeves, body art has become so common that it barely raises an eyebrow. But while the personal meaning of a tattoo may be obvious, the biological consequences are far less visible. Once tattoo ink enters the body, it does not stay put. Beneath the skin, tattoo pigments […]

akramalrasny/Shutterstock Refugee health is often discussed in terms of crises such as disease outbreaks, malnutrition and psychological distress. But some of the most serious effects of displacement are harder to see. One example is how forced migration can change the bacteria in the gut that support immunity and long-term health. The human gut contains trillions […]

morrowlight/Shutterstock When babies struggle with poor sleep, parents often suffer right alongside them. Growing evidence shows that a baby’s gut health plays a key role in comfort, digestion and overall sleep quality. Supporting a healthy gut microbiome may help babies sleep better, which can bring much-needed relief to exhausted parents. Newborns are not born with […]

You might think good sleep happens in your brain, but restorative sleep actually begins much lower in the body: in the gut. The community of trillions of microbes living in your digestive tract, known as the gut microbiome, plays a powerful role in regulating sleep quality, mood and overall wellbeing. When the gut microbiome is […]

Thrush is one of the most common infections in the world. It’s caused by the fungi Candida – specifically, the yeast Candida albicans. Although yeast infections are normally treated easily with antifungal drugs, a growing number of Candida species are developing resistance to these drugs – including the species that causes thrush. According to the […]

A food truck in southern Italy recently became the centre of a deadly health scare. A food-borne outbreak linked to preserved vegetables killed two people and sent more than a dozen to hospital. At the same time, the UK’s Food Standards Agency warned shoppers to avoid jars of broccoli from a specific batch code, fearing […]

From your phone to your sponge, your toothbrush to your trolley handle, invisible armies of bacteria are lurking on the everyday objects you touch the most. Most of these microbes are harmless – some even helpful – but under the right conditions, a few can make you seriously ill. But here’s the catch: some of […]