Study Links Early Exposure to PFAS with Inflammation in Children
Recent research suggests that exposure to PFAS mixtures during pregnancy and early childhood could be associated with elevated intestinal inflammation in children. This inflammation may lead to digestive disorders such as ulcerative colitis, Crohn’s disease, and even colorectal cancer.
While previous studies have connected PFAS to gastrointestinal issues in adults, this study from Mt. Sinai is unique as it focuses on how these chemicals affect children during critical developmental stages.
The researchers monitored mother-child pairs from prenatal stages through to the children reaching 11 years old. They discovered significant links between heightened PFAS levels around birth and inflammation markers in the children studied.
“It’s crucial to understand that both mothers and babies might be exposed to these harmful chemicals early on, which could lead to inflammation later in life,” explained Vishal Midya, a co-author and researcher at Mt. Sinai’s Icahn School of Medicine. “There’s a real gap in our understanding of the significance of these early life experiences related to inflammatory bowel disease.”
PFAS refers to a large group of over 16,000 compounds commonly utilized to make products resistant to water, stains, and heat. Dubbed “forever chemicals,” they do not break down in nature and have been linked to serious health issues, including cancer, kidney disease, and immune disorders.
These chemicals pose particular risks for developing children, with prenatal and early exposure correlated with various health problems, including reproductive issues and ADHD.
The study analyzed PFAS levels in maternal blood during pregnancy, umbilical cord blood, and dried blood spots from newborns, involving 107 mother-child pairs in the U.S. and Mexico. They identified around 955 PFAS metabolites but concentrated on 46 of the more prevalent compounds.
Among these were well-known hazardous PFAS like PFOA and PFOS, although some have been partially phased out. The study also detected newer PFAS for which public health data is limited and are marketed as safer alternatives.
Most research has typically considered individual PFAS compounds in isolation, but this study examined mixtures since people are generally exposed to multiple chemicals simultaneously. “We encounter countless chemicals at once, and isolating just one or two doesn’t reflect real-life exposure,” Midya noted.
To assess intestinal inflammation in older children, the researchers measured fecal calprotectin, a common biomarker for monitoring inflammatory bowel conditions. While this marker doesn’t confirm specific diseases, it serves as an indicator that can precede them.
Despite being the largest study to investigate the impact of early-life PFAS exposure on intestinal inflammation, the researchers acknowledged the limitation of a relatively small sample size.
Mothers can take some protective measures, such as using PFAS-removing water filters, buying organic products, and avoiding waterproof clothing or stain-resistant materials. However, the broader implications of the findings should inform policy changes geared toward protecting mothers and children, suggested study co-author Manasi Agrawal.
“Understanding that there is a pathway from early life to these health issues allows us to consider preventive measures more effectively,” Agrawal added.
