The WLU Collection is available only for University classroom usage. Titles are not available for sale or rental. Scientists studying the aging process believe there are several possible keys to increased longevity. Already, humble lab animals like worms and fruit flies are living twice as long as nature normally allows, and there seems to be no reason why the same results cannot be achieved in humans. Soon it may be possible to grow spare body parts to replace hearts or joints that wear out.
Many new studies suggest otherwise.
Keeping the brain active requires both physical and mental workouts throughout life.