Another website to check out is Living the CR Way. They claim to help you avoid the onset of age-associated illness until at least the age of 80.
Approximately what level of severity of restriction of food do you think you'd be willing to adhere to?
- Mild - Won't have to put up with much hunger at all
- Moderate - Might need to fight hunger at several points during the day
- As much as it takes to live as long as possible - Will be hungry often.