Nature - Social inequality and the decay of democratic institutions are linked to accelerated ageing — but education seems to slow the process.

The face of lung cancer — once older men with a history of smoking — has changed.

In 2022, scientists examined the brains of 22 stranded marine mammals and found something astonishing: Alzheimer's-like pathology in dolphins. And not just vague signs, actual amyloid plaques and tau tangles, the same hallmarks seen in human patients.