The discovery suggests that the immune checkpoint can operate at a further distance from tumor cells than previously believed.

Researchers deliver cancer-fighting drugs to a patient’s brain via the bloodstream, penetrating the blood-brain barrier for the first time.

Tumor cells rapidly divide by usurping a metabolic trick from normal cell development.

Fully developed neurons can revert to stem cell-like states and give rise to brain tumors.

A traditional dentist’s checkup may give patients more than just clean teeth.