Imagine getting an alert on your wrist telling you something’s wrong with your heart—despite feeling perfectly fine. That’s ...

WILLIAM, 67, had just had lunch and was chatting with some neighbours when he abruptly stopped talking and fell to the ground ...

Tantalizing notions of long life, even immortality, have always been part of human consciousness, recurring in religion, literature, cinema, music, even consumer goods.The opening chapters of the Old ...