While we often think of radiation as dangerous, radioactive
isotopes are widely used in the field of healthcare as well as in
many other fields. For your initial post, choose a radioactive
isotope used in healthcare or another field and report on how your
isotope is used. Be sure to answer both of the following questions
as part of your initial post: What type(s) of radioactive decay
does your isotope undergo? How is your isotope used?