We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Emerging role of microplastics and nanoplastics in children's health
Original title: Emerging role of microplastics and nanoplastics in children’s health
AI summary Read the abstract
Tiny plastic particles called microplastics and nanoplastics have been found in the placenta, breast milk, and even infant poop, showing that babies are exposed to plastic pollution before and after birth. This review of existing research explains that kids may be especially vulnerable because their bodies are still developing, and these particles may disrupt gut health, hormones, lungs, and even brain development. While more research is needed to fully understand the risks, the findings add to growing concerns about reducing everyday plastic exposure for children.
Plastics are a growing environmental and health threat. Microplastics (MPs, <5 mm) and nanoplastics (NPs, <1 μm) are pervasive environmental contaminants increasingly detected within human tissues, including placenta, cord blood, breast milk, and infant stool, highlighting chronic early-life exposure. Children represent a uniquely vulnerable population due to higher intake relative to body mass, immature detoxification and immune systems, and rapid organogenesis. MPs and NPs (MNPs) can traverse biological barriers, accumulate in multiple organs, and disrupt key developmental processes through oxidative stress, inflammation, barrier dysfunction, and microbiome dysbiosis. Evidence from in vitro, animal and human studies indicates systemic impacts across gastrointestinal, pulmonary, endocrine, reproductive, immune, and central nervous systems, including impaired intestinal barrier function, dysbiosis, metabolic dysregulation, altered lung morphogenesis, endocrine disruption, reproductive abnormalities, immune dysregulation, and neurocognitive deficits. In addition, many chemicals associated with plastics pose risks to human health due to their toxicity and ability to leach into the surrounding area. This review compiles current knowledge on the physicochemical properties, exposure pathways, and system-specific effects of MNPs and the additives associated with plastics in pediatric populations. It also discusses the need for comprehensive policies to reduce plastic pollution. IMPACT: The increased prevalence of microplastics and nanoplastics pose a threat to children's health. Microplastics and nanoplastics have been found in many organs including the placenta. Children are particularly vulnerable to the effects of microplastics and nanoplastics. The mechanism by which they increase health risks in children are discussed.
More Papers Like This
A Children’s Health Perspective on Nano- and Microplastics
AI summary Read the abstract
Researchers examined the toxic effects of polyethylene and polypropylene microplastics on the marine copepod Acartia tonsa across multiple life stages, finding that nauplii were significantly more sensitive than adult copepods. The study demonstrates the importance of testing vulnerable early life stages when establishing environmental quality standards for microplastic contamination.
What Health Concerns Could Micro and Nanoplastics Pose for Infants? A Review
AI summary Read the abstract
Microplastics and nanoplastics have been detected in human placentas, meconium, and infant faeces, meaning babies can be exposed before and immediately after birth. This review examines what these early-life exposures might mean for infant health and development, and discusses broader policy responses to reduce plastic overproduction as the most direct route to protecting future generations.
Plastic Pollution and Child Health: A Narrative Review of Micro- and Nanoplastics, Additives, and Developmental Risks
AI summary Read the abstract
This narrative review examines the health risks that micro- and nanoplastics and plastic additives pose specifically to children, who are considered the most vulnerable population due to their developing bodies and higher exposure rates relative to body weight. Researchers found that exposure begins in the womb, with plastic particles detected in placental tissue, amniotic fluid, and cord blood. Evidence suggests potential adverse effects on children's development, including altered puberty, respiratory conditions, neurodevelopmental impacts, and metabolic disorders, though the authors note that more research is needed.
Micro- and nanoplastics in pediatric health: from placental transfer to neurodevelopmental outcomes
AI summary Read the abstract
This review summarizes existing research on tiny plastic particles found in placenta, amniotic fluid, cord blood, and children's feces. It describes animal studies linking early-life exposure to brain and behavior changes, and notes human studies finding associations between urinary plastic markers and children's behavior or thinking, though a cause and effect link has not been established.
A Scoping Review of Microplastic Contamination in Infant Foods: Exposure Pathways and Implications for Nutrition and Health of Children
AI summary Read the abstract
Researchers reviewed 28 existing studies and found that tiny plastic particles called microplastics show up in baby formula, breast milk, feeding bottles, and even in babies' first bowel movements — meaning infants are exposed before birth and through their earliest meals. While scientists don't yet know exactly how this affects babies' health long-term, the widespread presence of these particles in infant nutrition is concerning enough that researchers are calling for more safety research and cautious steps to limit exposure in the meantime.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.