Sajedi's research indicated that individuals typically ingest between 39,000 and 52,000 microplastic particles annually through food and drinking water. The additional 90,000 particles from daily bottled water consumption significantly increases this exposure. Sajedi, who previously co-founded an environmental software company, was inspired to pursue this research after observing plastic pollution on Phi Phi Island in Thailand. "Drinking water from plastic bottles is fine in an emergency, but it is not something that should be used in daily life," Sajedi stated, emphasizing the need to understand the long-term effects of microplastic ingestion.

Microplastics are small plastic particles, typically less than 5 millimeters in size, that result from the degradation of larger plastic items. These particles have been found in various environments, including oceans, soil, and even the air. The presence of microplastics in drinking water, particularly bottled water, has raised concerns about potential health risks.

The study did not delve into the specific health effects of ingesting these microplastics. However, research is ongoing to determine the potential impact on human health. Scientists are using AI and machine learning to analyze the complex data sets related to microplastic exposure and its correlation with various health outcomes. These AI models can identify patterns and predict potential risks that might not be apparent through traditional research methods.

The implications of this research extend beyond individual health. The widespread use of plastic bottles contributes significantly to plastic pollution, impacting ecosystems and potentially disrupting food chains. Efforts to reduce plastic consumption, improve recycling processes, and develop biodegradable alternatives are crucial to mitigating these environmental consequences. Further research is needed to fully understand the long-term effects of microplastic ingestion and to develop strategies to minimize human exposure.