Can microplastics from food packaging affect cardiovascular health?
Plastic food containers can release microplastics. A 2026 cardiovascular review says micro- and nanoplastics are linked with oxidative stress, inflammation, and tissue findings, but human causation is not proven.
What we know
A 2025 Food Chemistry study measured microplastics released from plastic food containers during rinsing and migration testing. The study found release changed with food type, temperature, and contact time.
A 2026 Nature Reviews Cardiology review summarized clinical and experimental evidence on micro- and nanoplastics and cardiovascular health. The review reported findings in blood, plaques, thrombi, and heart tissue, and described pathways such as oxidative stress, mitochondrial dysfunction, inflammation, and fibrotic remodeling.
What this means for your family
This does not prove that food packaging causes cardiovascular disease in people. The review says human causation is still unproven. It does show that plastic particle exposure is worth reducing where the switch is easy.
Glass storage is an easy food-contact swap because it does not shed plastic particles into food.
Simple safer steps
Use glass containers for leftovers and warm food. Avoid heating food in plastic. Choose glass or stainless steel for daily packed snacks when you can.