Cyberdiet

Part of the Mediconsult health network, this is one of the internet's most respected health sites and is full of sound advice on achieving and maintaining a healthy weight. It is as relevant to underweight as overweight people.

SPECIAL FEATURES

Asses yourself (in 'Get Started') offers several tools to help analyse and monitor your health. It covers nutrition profiles as well as body mass index, waist-to-hip ratio and risk assessment.

Eat Right covers various aspects of eating, such as recipe makeovers or how to dine out without too much damage to your waistline. It also assesses which diet books have sound theories and which are the cons. The recipes have a strong American bias, although British visitors can still gain a lot from visiting.

Exercise Smart offers motivational tips, advice on choosing the right exercise for you, and a tool for assessing how much activity you are doing.