Microplastics have already been detected in human blood, breast milk and the placenta. Two new scientific studies warn of the potential risks this presents for human health.

Polyethylene, used to make plastic bags and bottles, but also PVC and nylon. accumulation of this plastic could have a link with atherosclerosis. That is, the formation of plaques in the arteries that can block blood flow and lead to a heart attack or stroke. The exact impact of microplastics on health is still unclear, but damage to human cells has already been demonstrated.