A new study says that, as people age, they may lose the ability to detect the taste of iron in drinking water. This piece of startling health news raises the concern that older adults could be at risk of over-exposure to iron.
Researchers point out that tasting the metallic flavor in water can help people limit exposure to metals such as iron. This trace element, required by the body to transport oxygen in red blood cells, is found naturally in water or from the corrosion of iron water-supply pipes. However, doctors’ advice to all patients is that you need less iron after the age of 50.
That metallic flavor in water, caused by the dissolved iron and copper commonly found in groundwater or that may leak into tap water from corroded pipes, has been an issue for both consumers and utility companies.
More than two million miles of the United States’ water and wastewater pipes are nearing the end of their useful life. But, these facilities, which are generally underground, don’t attract too much attention. This study is highlighting the fact that attention may be necessary. Continue reading