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Marathon Mouse

Marathon Mouse

With an "exercise pill," researchers turn couch-potato rodents into champion runners.

arrow Discovering Exercise in a Pill

Test out some mouse-racing experiments to learn how drugs that mimic exercise were discovered and how they work.

arrow Aiding Aging Muscles

In this video, see how "exercise in a pill" could one day help the elderly and the bedridden.

arrow Ask the Experts

Molecular biologists Ron Evans and Vihang Narkar of the Salk Institute answer questions about marathon mice, the science of fat-burning, and more.