![]() ![]() All of these compounds are classified as carcinogens and linked to cancer. Occupational cobalt exposure is a known concern and part of a larger concern that includes exposure to other toxic metals such as arsenic, cadmium, lead, and mercury. Also, it's been reported that hip replacements containing cobalt have caused concerns due to nanoparticles of cobalt breaking away and contaminating the body. People working in industrial settings have an increased risk of exposure to toxins, including cobalt. Cobalt makes its way through the environment and cannot be destroyed. Once cobalt particles enter the atmosphere, they settle to the ground and enter the food and water supply most of the population is exposed to cobalt through food, water, and air. Industrial plants may leak cobalt and other toxic metals into the environment. Cobalt has been found to produce tumors in animals and is likely a human carcinogen as well. ![]() Cobalt can accumulate to toxic levels in the liver, kidney, pancreas, and heart, as well as the skeleton and skeletal muscle. Regardless of these perceived advantages, cobalt is not without its concerns. Hip replacements are also made of cobalt. In the medical field, cobalt-60 is used in radiotherapy and for sterilizing medical equipment. Cobalt has been added to pigments to produce a distinct blue color. ![]() For instance, cobalt is an essential component of vitamin B12. Cobalt is a naturally occurring element that does have beneficial applications. ![]()
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