A Cutting-Edge Cancer Treatment May Cause Cancer. The FDA Is Investigating
CAR-T cell therapy harnesses the immune system to attack blood cancers. Six years after approving the first treatment, the FDA is investigating whether it can give rise to secondary cancers.
![A Cutting-Edge Cancer Treatment May Cause Cancer. The FDA Is Investigating](https://media.wired.com/photos/6567421b6c8ab975904c5b9d/191:100/w_1280,c_limit/CAR-T-science-GettyImages-1489195414.jpg)