Heavy Metal Exposure & Tinnitus The Impact of Heavy Metal Exposure on Auditory Health Heavy metals like lead, mercury, arsenic, cadmium, and cobalt are more common in our environment than most people realize. They’re found in soil, water, industrial emissions, older plumbing systems, urban dust, and even certain consumer products. While low-level exposure may seem insignificant, research continues to show that even small amounts can accumulate in the body over time and influe