Research has long shown that health and longevity come down to five fundamental lifestyle behaviors: exercising regularly, eating a nutritious diet, eschewing cigarettes, limiting alcohol consumption and nurturing meaningful relationships.

Caloric restriction – cutting back what we eat – has the same effect. Dr Longo has studied caloric restriction for more than three decades and is clear that, with the right nutrition and fasting, we can optimise our chances of staying fully functional into our 90s, 100s and beyond. The brilliant news is you don’t have to fast for long or cut back... See more