- arrests some diseases
- gives patients new genes, so they dont have the disease and the disease doesn't come back
- provides as a way of treatment when in the past the disease would have been incurable
- there have been several medical breakthroughs
- some people conisder it a great advancement for mankind
Disadvantages
- In the past, gene therapy has cured some diseases, but caused others
- Its inconsistent
- Its a fairly new method, so there are still some glitches to it that scientists are still figuring out.
- some people are against the ethics of it: some say its "playing God"
- the patient may have to undergo several therapy treatments
