Age

Using an AI algorithm researchers can use electrocardiograms to tell us our gender and age. Have they found a Magic 8-ball of health?
America's worst drivers are likelier to be men or people who live in the South, are either young or old, or identify as Native American. America's best drivers are likelier to be women or people who live in the Northeast, are aged 35 to 75, or identify as Asian.
Frailty helps us identify patients at risk for complications from surgery. But how to "undo" frailty remains a puzzle.