Why leeks are good for you

Joanna Blythman and Rosie Sykes: The oniony tang of leeks perks up many dishes, and keeps your eyes and bones on top form

How fruit juice went from health food to junk food

Emine Saner: For decades fruit juice has been seen as a healthy option. Then this week a primary school banned it after claims that it's as bad for you as Coca-Cola. But how big a health risk does it pose?

Do ‘superfoods’ really exist?

From blueberries to nuts and whole grains, antioxidant-rich miracle foods were, we were told a decade ago, the key to combating stress, disease and infection. But, inevitably perhaps, experts' opinions have now shifted to a more complex view

How to give up sugar in 11 easy steps

Many of us are addicted to sugar. Want to break the habit and get those no-good empty calories out of your life? Zoe Williams explains how to conquer your cravings in 11 easy steps – even if you really, really fancy a Mars bar