Short answer
Prioritize the selection of materials and additives that minimize potential harm to human health and the environment throughout the product's entire lifecycle.
- Field
- Sustainability
- Source
- International Journal of Environmental Research and Public Health (2020)
- Method
- Literature Review
- Evidence
- Moderate effect
Chemical additives intentionally incorporated into plastics to enhance their properties and longevity can leach out, becoming a significant source of human exposure to hazardous substances. This sustainability research insight is drawn from a 2020 study published in International Journal of Environmental Research and Public Health. Using Literature review, researchers explored how this design variable affects real-world outcomes. The key design takeaway: Prioritize the selection of materials and additives that minimize potential harm to human health and the environment throughout the product's entire lifecycle.
Plastic additives leach into human systems, posing significant health risks
Chemical additives intentionally incorporated into plastics to enhance their properties and longevity can leach out, becoming a significant source of human exposure to hazardous substances.
International Journal of Environmental Research and Public Health · 2020
Key Findings
- 01Microplastics are ubiquitous and carry toxic chemicals, acting as vectors for their transport.
- 02Plastics themselves are a 'cocktail' of hazardous chemicals added as additives during production.
- 03There is a significant knowledge gap regarding the specific additives of concern, their environmental fate, and their health impacts when ingested or inhaled via microplastics.
Application
Design takeaway
Prioritize the selection of materials and additives that minimize potential harm to human health and the environment throughout the product's entire lifecycle.
How to apply
When selecting plastics for a product, research the common additives used for that polymer type and investigate their known health and environmental impacts. Consider alternative materials or polymers with fewer or less harmful additives.
Project actions
- 01When choosing materials for your project, research not just the base material but also common additives and their implications.
- 02Consider the 'end-of-life' scenario for your product and how its components might degrade or interact with the environment and human health.
Method & Evidence
Variables
Strengths & Limitations
Strengths
- +Comprehensive review of a critical environmental and health issue.
- +Highlights significant knowledge gaps for future research.
Limitations
The specific additives and their concentrations vary greatly between plastic types and manufacturers, making generalizations difficult. Direct causal links between microplastic-associated additives and specific human diseases are still an active area of research.
Reliability & validity
The reliability of this review depends on the quality and breadth of the studies included. Validity is strengthened by the systematic approach to literature searching and synthesis. However, the inherent variability in experimental conditions across studies can affect the direct comparability of findings.
Think critically
Given the complexity and potential health risks of plastic additives, what strategies can designers employ to ensure the safety and sustainability of plastic-based products, and what are the trade-offs involved?
Design Principles
"Design for Health: Minimize inherent toxicity and potential for harmful substance release from materials."
This highlights a critical aspect of the product lifecycle, moving beyond just material selection to consider the long-term environmental and health consequences of material composition. It challenges designers to think about the 'end-of-life' and 'in-use' phases of a product not just in terms of waste, but as potential sources of harm.
What This Means for Your Design
The chemicals put into plastics to make them better can leak out and make people sick, especially when plastics break down into tiny pieces.
How to use in your project
- 1.Use this insight when justifying material choices, especially if you are using plastics. You can discuss the potential risks of additives and how your material selection mitigates these.
- 2.This can inform your research into alternative materials or surface treatments that reduce the leaching of harmful substances.
Add to My Project
Quick Cite
Paragraph starter
The selection of plastic materials for product design must extend beyond basic physical properties to encompass the potential health implications of inherent chemical additives. Research indicates that these additives, intentionally incorporated to enhance polymer performance and longevity, can leach into the environment and human systems, particularly as plastics degrade into microplastics. This poses a significant challenge for sustainable design, necessitating a thorough investigation into the toxicological profiles of common plastic additives and a proactive approach to selecting materials that minimize harm throughout their lifecycle.
Source
International Journal of Environmental Research and Public Health
A Detailed Review Study on Potential Effects of Microplastics and Additives of Concern on Human Health
journal · 2020
View sourceQuestions About This Research
- What does the research say about plastic additives leach into human systems, posing significant health risks?
- Prioritize the selection of materials and additives that minimize potential harm to human health and the environment throughout the product's entire lifecycle. Evidence: International Journal of Environmental Research and Public Health (2020).
- Why does "Plastic additives leach into human systems, posing significant health risks" matter for design?
- This highlights a critical aspect of the product lifecycle, moving beyond just material selection to consider the long-term environmental and health consequences of material composition. It challenges designers to think about the 'end-of-life' and 'in-use' phases of a product not just in terms of waste, but as potential sources of harm.
- How can designers apply this research?
- Prioritize the selection of materials and additives that minimize potential harm to human health and the environment throughout the product's entire lifecycle.
- What were the main findings?
- Microplastics are ubiquitous and carry toxic chemicals, acting as vectors for their transport.. Plastics themselves are a 'cocktail' of hazardous chemicals added as additives during production.. There is a significant knowledge gap regarding the specific additives of concern, their environmental fate, and their health impacts when ingested or inhaled via microplastics.
- What research method was used?
- Literature Review.
- How strong is the evidence?
- Evidence strength is rated Moderate effect, based on a 2020 journal from International Journal of Environmental Research and Public Health.
- What should I do differently in my next project?
- When selecting plastics for a product, research the common additives used for that polymer type and investigate their known health and environmental impacts. Consider alternative materials or polymers with fewer or less harmful additives.
- What are the limitations?
- The review focuses on existing literature, which may have gaps in specific additive toxicology or exposure pathways. The exact concentration and bioavailability of leached additives in real-world human exposure scenarios are complex to determine.