01HealthEurope
French study links common food preservatives to higher blood pressure
Eight widely used additives were associated with hypertension and heart disease in a large observational study.
Researchers at INSERM and Paris universities, led by Mathilde Touvier, published in the European Heart Journal an analysis of long-term preservative exposure, finding eight preservatives associated with higher rates of hypertension and cardiovascular disease.
What holds up
- ✓Published in the European Heart Journal by named INSERM-affiliated researchers.
- ✓The authors describe it as observational — associations, not proven causes.
What doesn't yet
- ?That these preservatives cause hypertension is not established, by the authors' own account.
- ?Exposure levels needed for harm are not detailed in coverage.
Ask before you share
- →Which confounders were controlled for?
- →Which foods account for most exposure?
- →Should regulators act before causal evidence exists?
Sources & original reporting
- [1]ScienceDaily / European Society of Cardiology · Published 20 Sept 2026 · sciencedaily.com