How plastic water bottles could harm your health

How plastic water bottles could harm your health

In a recent study, researchers from Texas A&M found that exposure to dietary exposure to bisphenol-A, or BPA can worsen symptoms of inflammatory bowel disease.

This is the first study to show that BPA can negatively impact gut microbial amino acid metabolism in a way that has been associated with irritable bowel disease.

Irritable bowel disease, or IBD, is a complex collection of diseases that include ulcerative colitis and Crohn’s disease.

There is chronic inflammation of the digestive tract, and symptoms related to IBD can include severe diarrhea, abdominal pain, fatigue and weight loss.

More serious instances can require lifelong treatment or possibly surgery.

While the causes of IBD have not yet been determined, environmental exposures such as diet, smoking, infections, altered gut microbiome and toxins or pollutants are risk-factors for development and relapse.

In the current study, the team wanted to focus on what effect BPA may have on IBD.

BPA is found in polycarbonate plastics often used in making containers to store food and beverages, such as water bottles.

It is also found in epoxy resins used to coat the inside of metal products, such as food cans, bottle tops and water supply lines. In addition, some dental sealants and composites contain BPA.

Research has previously shown BPA can seep into food or beverages from containers made with it and may have possible health effects on the behavior, the brain and prostate glands of fetuses, infants and children.

The number of new cases of IBD are increasing, especially in nations that become more industrialized.

While the causes of IBD have not yet been determined, several risk factors for developing it or worsening symptoms have been suggested.

One such risk factor, the hormone estrogen, has been linked with an increased risk of IBD—and BPA can act as an estrogen.

Furthermore, BPA has been previously shown to alter gut microbes similarly to the way the gut microbiota is altered in IBD patients.

Because humans are frequently exposed to BPA through consumption of canned foods and the use of polycarbonate plastic containers, it’s important to find out just what effects BPA exposure may have on IBD.

The team examined the effects of BPA exposure in a pre-clinical model using mice with IBD.”

They tested the ability of BPA to exacerbate colonic inflammation and alter microbiota metabolites derived from aromatic amino acids in an acute dextran sulfate sodium-induced colitis model.

They assessed body weight and fecal consistency in addition to inflammation, injury and nodularity of the colon.

They also analyzed changes in microbiota metabolite levels derived from aromatic amino acids reflecting changes in the gut microbiome.

They found that exposure to BPA increased the levels of several compounds that drive inflammation in the colon.

Scat from animals exposed to BPA had reduced levels of compounds produced by gut bacteria from the breakdown of protein, including tryptophan and 5-hydroxy indole 3-acetic acid.

These compounds are related to serotonin production and breakdown, and their reduction has been linked with IBD.

These comprehensive study results showed BPA exposure increased mortality and worsened disease symptoms when compared to untreated groups.

The team suggests that these types of studies are important to provide initial evidence that people need to better understand how things in the environment influence our risk of getting or worsening symptoms of diseases like IBD and how we can reduce that risk.

Jennifer DeLuca is the first author for the study from Texas A&M.

The study is published in the Experimental Biology and Medicine journal.

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