Eating salt might expose people in Iran to tiny amounts of harmful metals, but a new estimate says the risk to health is very low for men, women, and kids.

What we've found so far suggests the health risk from toxic metals in salt is low for people in Iran. Our analysis of the available evidence shows no studies indicating a significant risk, and the current data leans toward minimal concern across age and gender groups. We reviewed 42 supporting assertions and found no studies that refute this view. The evidence we’ve analyzed indicates that while salt in Iran may contain trace amounts of harmful metals, the estimated exposure levels do not appear to pose a notable health risk to men, women, or children [1]. These conclusions are based on current exposure estimates and assumed consumption patterns. However, we emphasize that our understanding is limited to the data available so far, and ongoing monitoring could change how we interpret these findings over time. We do not know the long-term effects of very low-level exposure, nor do we have detailed data on how different populations might be affected. But based on what we've reviewed so far, the levels of toxic metals in salt do not signal a widespread health concern in Iran. Practical takeaway: For now, it seems safe for most people in Iran to continue using salt as part of their regular diet without worrying about harmful metal exposure — but staying informed as new data emerges is always wise.