Basic Pursuits

For years scientists have known that the only way to increase lifespan in many, many
creatures (rats most often) is to restrict the amount of calories that they eat.

It has been a mystery why this is so, but that mystery may be close to being
solved. Researchers at the University of Florida recently completed a study
using rats that tests the phenomenon of autophagy.

Say what?

"Autophagy is a housekeeping mechanism that keeps cells free of damaged and