A major drawback to medical therapy is the high recurrence rate of stones in those treated.

This question is not specific enough. what is the drawback for a single cell in what way? compared to what else?

no

The Major drawback, is probably the gasses that will penetrate the Ozone Layer?

My Name is amanda, and i am 13. I hope to be a Physicist when i grow up.

The major drawback is the political and social dissaprove because chemical weapons are bad for the environment and leave too much waste.