A new study in mice shows that cutting down the amount of a single amino acid called isoleucine can, among other benefits, extend their lifespan, make them leaner and less frail as they age and reduce ...

For nearly a century, laboratory studies have shown consistent results: eat less food, or eat less often, and an animal will live longer. But scientists have struggled to understand why these kinds of ...

Researchers studied brainstem activity of mice while the animals were awake and eating. Susanne Ludwig / 500px via Getty Images As animals eat, brain activity tells them when to stop. In a recent ...

Here we go with mice again. I am a cautionary skeptic when I read about scientific experiments that deal with social hypotheses. As someone who has worked in risk analysis, I squint at imaginative ...

Making decisions is hard. Even when we know what we want, our choice often leaves something else on the table. For a hungry mouse, every morsel counts. But what if the decision is more consequential ...

Even children learn from numerous books and cartoons that cheese is a real treat for mice and that they are sometimes even responsible for the holes in the cheese. PETBOOK clarifies what is true about ...