what is the central idea of this paragraph ?

Question

Future improvements to artificial hemoglobin may reduce the risk. Artificial hemoglobin may eventually be a useful blood substitute. As with any new drug or medical procedure, a balance must be struck between effective treatment and potentially harmful side effects.

Answer 1

The central idea of this paragraph is that future improvements to artificial hemoglobin may help reduce the risks associated with its use as a blood substitute, as it has the potential to be a useful alternative in medical treatment. However, there is a need to carefully balance its effectiveness with potential harmful side effects, as with any new drug or medical procedure.