Cancer Treatment Timing: The 3 PM Rule That Could Save Lives

Here’s something that sounds too simple to be true: giving cancer patients their immunotherapy before 3 PM instead of after might significantly extend their lives. No new drugs, no experimental procedures, just a shift in the appointment schedule. Yet a new study on extensive-stage small cell lung cancer, one of the deadliest cancers we know, suggests this timing tweak isn’t just helpful. It’s potentially lifesaving. The research, published in the journal CANCER, examined 397 patients receiving.