Every week, Harvard Medical School neuro-oncologist Annie Hsieh treats patients with gliomas—the most common type of brain cancer, including the deadliest, glioblastoma. After Hsieh's neurosurgeon ...

Some parts of the body can recover from injury fairly rapidly. The cornea, for example, can heal from minor scratches within a single day. The human brain, however, is not one of these fast-healing ...