it was discovered a while after cobalt was discovered by Georg Brandt,in 1739.
Do more research on wikipedia and Yahoo questions to better answer your question.
You can possibly get cancer, definitely if it's not protected gamma radiation
With any radiation you can get cancer. With chemo you can get cancer, but that is like 30+ years down the road. The immediate side effects would be a reddening of the skin, but that wont occur until a dose of over 4000cGy, and many patients dont experience that. Depending on where the radiation is being aimed the patient MAY (not for sure) experience diarrhea, nausea, muscle cramps, some nerve pain.
It is sometimes called radiation therapy, radiation therapy, cobalt therapy, electron beam therapy, or irradiation
Radiation therapy is delivered via external radiation or via internal radiation therapy (the implantation/injection of radioactive substances).
Radiation Therapy is not transferred to clothing.
Radiation therapy is a local treatment
It is sometimes called radiation therapy, x-ray therapy radiation treatment, cobalt therapy, electron beam therapy, or irradiation
In external radiation therapy a beam of radiation is directed from outside the body at the cancer
It is sometimes called cobalt therapy, radiation therapy, x-ray therapy radiation treatment, radiotherapy, or irradiation
Prostate cancer responds well to radiation therapy
Radiation Therapy dose is measured in Gray (abbrev. Gy).
It is sometimes called radiotherapy, x-ray therapy radiation treatment, cobalt therapy, electron beam therapy, or irradiation
If you are interested in taking a couple courses on radiation therapy, then there are many different kinds of schools that offer different courses in radiation therapy.
Patients receiving internal radiation therapy do become temporarily radioactive