if that is the case i'll probably live forever..

I thought it would be to do with the extra rest. Suppose I'd better buy some Mills and Boon, they're good aren't they. Should stimulate the brain.

Does the content of the books have any influence?

Am sure it has though this research does not indicate.
Maybe an idea for another one .

So, by being a good Clipper we're all extending our life expectancies. What a deal!

<<< "Apparently there is something vital and active in reading. A person continues to exercise his brain and is active in the world. This may also affect self-esteem. People who read feel they are more vital." >>>

Does this mean that low self-esteem and low vitality may be related to a lower level of brain 'exercise'?