Scientists reveal never-before-heard information about microbes that keep us healthy.
In groundbreaking research, scientists discover that not all bacteria or viruses have harmful effects; instead, some may be beneficial to our health as not all microbes make us sick and some may be vital in keeping us healthy.
To evaluate this, researchers have created a world-first database that tracks beneficial bacteria and natural compounds linked to immune system strength, stress reduction and resilience.
The Flinders team’s findings challenged the long-standing obsession with germs as ‘threats’ and instead highlighted the hidden health benefits of biodiversity – a shift that could impact everything from urban design to environmental restoration.
Flinders microbial ecologist Dr. Jake Robinson and his colleagues explore this shift in a new paper published in Microbial biotechnology.
The research encourages moving beyond a fear-based view of microbes and biogenic compounds and instead recognizing their potential health benefits.
“Emerging evidence shows that exposure to diverse environmental microbiomes and natural biochemicals also promotes health and resilience,” says Dr. Robinson.
“Rather than viewing biodiversity as something to be eliminated, contemporary approaches recognize the critical role of diverse ecosystems in creating salutogenic or health-promoting environments.”
Despite their importance, salutogenic microbes support health because they play a key role in immune regulation, metabolism, disease suppression, stress reduction, and ecosystem stability.
Robinson explained that for about a century, microbes and chemicals in the air have been studied primarily as threats: causes of infections, diseases and contagions.
The new research reveals the invisible biodiversity that actively supports human and planetary health.
In related research, Dr. Robinson collaborated with Chinese scientists to demonstrate that urban soils contain more pathogens than forest soils.
The findings, published in Communications Earth and Environment (Nature Springer), highlight the need to better understand how bacterial zoonotic pathogens accumulate in densely populated urban areas and what that means for both human health and soil biodiversity.
Microbes also support skin and reproductive health, influence mental well-being, and provide other benefits such as improved nutrient absorption, reduced inflammation, and better blood sugar control.
There are several types of microbes, but the most common include fungi, algae, bacteria, viruses, protozoa, archae, and prions.
Dr. Robinson advises that by restoring healthy microbes we can reap numerous benefits.
A vast collection of microbes in and on the body is known as ‘microbiome’.
Scientists suggest that microbes are vital to human health because they produce vitamins, aid digestion and train the immune system to fight pathogens.
Microbes also support skin and reproductive health, influence mental well-being, and provide other benefits such as improved nutrient absorption, reduced inflammation, and better blood sugar control.
“Just as the loss of biodiversity threatens our health, restoring microbial and biochemical wealth could be a key to a healthier future,” says Robinson.
Moreover, scientists want to study this mechanism more deeply while conducting various experiments.
“We do not view this database as a finished tool. It is a foundation and an invitation for scientists, practitioners and communities to work together to create a fuller picture of how invisible biodiversity sustains our lives.”
