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 ...

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 ...

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 ...

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 ...