Why do you think gene therapy is such a promising field for cancer?

Because cancer is a gene mutation and if they treat that mutated gene only, almost if not everyone would survive cancer, and they wouldn’t go bald.

Explanation:

Gene therapy holds promise for treating a wide range of diseases, such as cancer, cystic fibrosis, heart disease, diabetes, hemophilia and AIDS. Researchers are still studying how and when to use gene therapy. Currently, in the United States, gene therapy is available only as part of a clinical trial.

age range would be the answer