Nerd Safari 
Longevity
Calorie restriction: Part IIA – monkey studies
Madison, Wisconsin and Baltimore, Maryland: a tale of two studies
Narrative glossary: calorie restriction
The A to Z of CR.
Live podcast with Patrick O’Shaughnessy
Investing in health.
Nerd Safari 
Longevity
Calorie restriction: Part I – an introduction
What does restricting calories have to do with longevity?