What Are The Disadvantages Of Cobalt 60?

What Are The Disadvantages Of Cobalt 60? Because it decays by gamma radiation, external exposure to large sources of Co-60 can cause skin burns, acute radiation sickness, or death. Most Co-60 that is ingested is excreted in the feces; however, a small amount is absorbed by the liver, kidneys, and bones. Is Cobalt-60 good or