British doctors report the apparent eradication of HIV from a patient who was undergoing treatment for cancer. It's only the second time this has been accomplished, despite many attempts.
stem cell treatments
Many Americans turn to crowdfunding to pay for medical care. But sometimes the money covers unproven treatments. Should crowdfunding companies be held accountable for spreading false hopes?
Clinics are using stem cells to treat problems ranging from arthritis and torn tendons to paralysis and stroke. But researchers say there's no evidence that the treatments work or are safe.