How old are you, really? People are flocking to so-called longevity clinics and buying tests online to find out their “biological age”—a metric that some scientists say could reveal how healthy a ...

Trash pandas’ talent for escaping via lab vents may frustrate researchers, but their problem-solving skills make their brains a fascinating area of research.

Market forces underpinning obesity stoutly resist any change that will impinge profit margins, writes Dr Catherine Conlon ...

Recognizing obesity as a chronic condition can improve treatment by shifting the focus to biological factors. Get to know obesity’s causes and care needs.