Study Finds Chemicals Impacting Gut Health

A recent study has identified 168 chemicals that can adversely affect gut bacteria, found in typical environments that people encounter daily.

Experts from the University of Cambridge shared their findings in a study published in the journal Nature Microbiology. It shows that many common substances—not just pesticides—can disrupt the growth of beneficial gut bacteria.

The researchers examined how 1,076 chemical pollutants influenced 22 bacterial species, employing a machine learning model to predict potential negative impacts on gut health.

Some of the identified chemicals include bisphenol AF (BPAF), perfluorononanoic acid (PFNA), glyphosate, and chlordecone, among many others. These are used widely, encompassing applications like flame retardants, fungicides, pesticides, and plastic additives.

Potential exposure to these dangerous chemicals can occur through food, drinking water, or environmental contact, though the actual levels and their specific health effects remain unclear.

“An imbalance in gut bacteria can lead to various health issues, including problems with digestion, weight control, and even mental health,” the study noted.

Indra Lu, one of the study’s authors, expressed surprise at the harmful effects of these chemicals. “We found that many chemicals intended to target specific organisms, like insects or fungi, also disturb gut bacteria,” she stated.

“The gut isn’t simply a digestive organ; it serves as a vital center for immunity, metabolism, and inflammation.”

“For instance, many industrial chemicals we encounter daily, such as flame retardants and plasticizers, were thought to be non-threatening to living organisms, but we now know they do affect them,” Lu added.

Kiran Patil, also a study author, emphasized the need for a future where new chemicals are inherently safe. He mentioned, “We’ve initiated this exploration in laboratory environments, but we also need real-world data on chemical exposure to better understand their effects on our bodies.”

Dr. Will Brusiewicz highlighted the study as a ‘wake-up call,’ asserting that the findings should prompt discussions about consumer product microbiome testing, rather than fixating solely on individual chemicals.

“We don’t need to panic, but we should definitely push for progress,” he advised, noting that protecting human health involves safeguarding the microbiomes that support it. “It’s crucial to reconsider how we design and assess the chemicals we use in everyday life.”

Momo Vujicic, a biochemist, urged consumers to prioritize organic foods in light of these findings. He suggested minimizing the intake of antibiotics, pesticides, and certain food additives. “Check the ingredient list and avoid anything your grandmother wouldn’t recognize. Many processed foods are laden with additives that complicate shopping,” he noted.

Vujicic mentioned that microbiome disruptions might have widespread negative effects on overall health, including physical, mental, and immune systems. While some changes could be detected via specialized tests his company provides, he indicated these aren’t universally recommended.

While these findings offer important insights, experts not involved in the study say further research is necessary to confirm whether the identified risks translate into real-world health concerns.

The study received funding from the European Research Council and the UK Medical Research Council. Fox News Digital has reached out to the American Chemical Society for additional comments on these observations.