Dhaka, Oct. 20 -- Doctors have developed an artificial intelligence tool that can predict a cancer patient's chances of survival from a single photograph of their face, The Guardian reports.

Experts at Mass General Brigham, a nonprofit academic healthcare system in Massachusetts, built the system to estimate biological age and directly predict survival outcomes in patients with cancer.

Details were published in the Lancet Digital Health journal.

The British newspaper calls it one of the most comprehensive demonstrations yet of how AI analysis of a selfie could help assess a patient's health and potentially guide care.

The system was trained on more than 40 million facial photographs.

It can estimate biological age, the age a person l...