But within each group, the range of lifespans was wide; mice eating the fewest calories ... at human trials of longevity drugs and see that people are losing weight and have better metabolic ...

Neurons in the brains of mice tell them to stop eating when they’ve had enough food – and since people probably have the same cells, we might one day manipulate them to help treat obesity.

Scientists have noted the mice are eating meat by either preying on birds or scavenging on dead ones. On the mainland, field mice mainly feed on seeds from trees, but also insects, berries ...