Scientists hunting cures for cancer hope to find targeted therapies with fewer side effects. But there's also new evidence that old-style chemo sometimes helps gentler treatments work better.
Chemotherapy remains one of the mainstays of cancer treatment, but these harsh drugs are slowly being edged aside in medical research, as new treatments, like immunotherapy, grab the spotlight.
Still, this is not the end of the road for chemotherapy. For one thing, doctors are coming to realize that some of these drugs are useful for more than just killing cancer cells.