General uses
Strontium-90 is used in medicine to treat bone cancer and as a radioactive tracer. In industry, it is used as a radioactive source for thickness gauges, as well as in radioisotope thermoelectric generators that generate electricity from the natural decay of Strontium-90.
Advantages
Used in both medical and industrial application.
Risks
Can cause bone cancer, cancer of nearby tissues, and leukemia if ingested or consumed through contaminated food or water.