John McCain’s health has been on the downturn — and now there’s open speculation that the longtime Arizona senator could be on death’s door. McCain has been undergoing treatment to fight what The Washington Post calls “an aggressive, highly lethal type of cancer” in his brain, called glioblastoma. Sponsored: 4 […]
Have scientists found a new way to test for cancer?
Scientists have the first major evidence that blood tests called liquid biopsies hold promise for screening people for cancer. Hong Kong doctors tried it for a type of head and neck cancer, and boosted early detection and one measure of survival. The tests detect DNA that tumors shed into the […]