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Plastics in human diets: development and evaluation of the 24-h Dietary Recall — Plastic Exposure and the Dietary Plastics Score
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This study examined the effects of polystyrene microplastic exposure on Nile tilapia under aquaculture conditions, finding reduced growth rates and altered feeding behavior at higher exposure concentrations. Histological examination revealed particle accumulation in gill and intestinal tissue, with potential implications for fish health in microplastic-contaminated aquaculture systems.
The 24DR-PE is the first tool specifically designed to capture detailed data on dietary exposures to plastic products. The next step is to validate the score using laboratory results of urine samples we collected contemporaneous to the dietary information. Once validated, the tool has potential for widespread distribution making it valuable for population monitoring, intervention guidance, and future research investigating the interplay between plastics, diet, and human health.
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Plastics, diet and human health: Accurately assessing exposure in adults.
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This research project is developing methods to accurately measure how much plastic people are exposed to through their diet, including microplastics from food packaging. The study examines whether reducing plastic food packaging can lower dietary plastic exposure and simultaneously improve diet quality. It matters because understanding true dietary exposure is a prerequisite for assessing health risks from microplastics in food.
A scoping review protocol on in vivo human plastic exposure and health impacts
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Researchers registered a pre-planned protocol for a scoping review that will systematically map existing research on how humans are exposed to plastics in real life and what health effects have been observed in human studies. This type of pre-registration helps ensure transparent, rigorous scientific methods before the data collection begins.
Exploring the determinants of micro- and nanoplastics exposure among adults in Barcelona, Spain
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Researchers quantified micro- and nanoplastic concentrations in stool, urine, tap water, and food samples from 50 healthy adults in Barcelona, Spain. They estimated a daily intake of 1.53 micrograms per kilogram of body weight, mainly from food, with polyamide, polyethylene, and polypropylene as the most frequently detected polymers. The study found that short-term diet better reflects microplastic exposure than long-term dietary habits, and that plastic additives in the body did not correlate with microplastic levels, ruling them out as proxy measurements.
Exploring alternatives for detecting microplastics in the human body: questionnaire survey
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Researchers conducted a quasi-experimental study comparing microplastic levels in the feces of participants who ate meals from disposable plastic tableware versus non-plastic tableware for one month. They found statistically significant differences in both the total quantity and types of microplastics between exposure groups, particularly for PET and polyethylene polymers. The study suggests that questionnaire-based epidemiological tools may complement laboratory analysis for assessing population-level microplastic exposure.
Public Awareness Of Plastic Pollution And Perceived Risks To Human Health.
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This study aims to assess public awareness of plastic pollution and its health impacts by surveying urban and semi-urban communities about their plastic use habits and self-reported health outcomes. Researchers plan to compare families using plastic food-contact materials with those using non-plastic alternatives to identify gaps in awareness and potential health differences linked to everyday plastic exposure.
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.