A recent study has revealed a worrying reality about plastic products: their inherent toxicity and their impact on the environment, especially in the oceans. Although plastics are known for their durability, they also release harmful chemicals into the environment from the moment they are discarded.
The Research and Its Findings:
Led by Lisbet Sørensen from SINTEF Ocean, the study examined a wide range of plastic products, including bags, toys and rubber items. The results revealed an alarming diversity of chemicals, many of them not previously identified, and their negative impact on the marine ecosystem.
The Problem with Rubber:
The study found that even rubber, often considered a “natural” material, can be extremely toxic. Rubber gloves, for example, showed high levels of toxicity for marine organisms, challenging traditional perceptions of materials considered safe.
Toxicity in Marine Life:
The research highlighted concerning effects on marine life, including deformities in cod larvae, an important fishery resource. These findings suggest a significant impact on the food chain and possible implications for human health.
Microplastics: What Is Their Real Impact?
The study also addressed the question of microplastics: whether their danger lies in their physical state or in the chemicals they release. Researchers found that toxic effects are mainly related to chemical additives, rather than to the physical particles.
Elastic Plastics and Their Unique Toxicity:
Certain types of plastics, especially elastic ones, were found to be particularly toxic. This finding opens the way to reducing product toxicity by choosing safer polymer combinations during manufacturing.
Repercussions for Humans and Other Mammals:
Scientists are also investigating the impact of these chemicals on humans and other mammals. There is growing concern about the presence of these chemicals in food, especially food from animals that have been exposed to plastics and microplastics.
Conclusions and Final Reflections:
This study underlines the urgent need to rethink the use of plastics and prioritise less harmful alternatives. Consumers and manufacturers have a crucial role to play in reducing the environmental impact of plastics by choosing safer materials and avoiding unnecessary use.
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