AI tool uses selfies to predict biological age and cancer survival

That intuitive assessment may soon get an AI upgrade. FaceAge, a deep learning algorithm described Thursday in The  Lancet Digital Health, converts a simple headshot into a number that more accurately reflects a person's biological age rather than the birthday on their chart. Trained on tens of thousands of photographs, it pegged cancer patients on average as biologically five years older than healthy peers. The study's authors say it could help doctors decide who can safely tolerate punishing treatments...