How to Live to 100

If you''re reading this, you probably want to live to a hundred.

And why wouldn''t you want to live a super-long life, if you could remain in good health? You''d get to meet your great-grandkids, try out space travel and the teleporter, and gross out all your descendants by having noisy old-person sex.

Comedian Ariane Sherine has always been determined to live into her hundreds, but never knew how. ...