By the doctor who introduced the fasting trend to the world, this is the only fasting diet book on the market proven by science.

Lose weight without giving up the foods you love with the Every Other Day Diet.

Featured on BBCs Horizon: Eat, Fast and Live Longer this diet programme could not be easier to follow, or to sustain. Unlike many traditional diets that restrict both calories and food groups, the idea behind this radical regime is simple: eat less, every other day.

Deprivation doesn't work - the minute you forbid yourself from eating something that's all you're going to crave. That's why this diet is so effective. On your fast days you can eat anything as long as it doesn't go over your calorie allowance, yes anything! Then, on your feast days you can eat as much as you like. It almost sounds too good to be true.

Based on research from the leading expert in alternate day fasting, Dr Krista Varady tells us how, by restricting your calorie intake to 500 calories every other day, you can both lose weight and gain health.

The 5:2 diet method was so 2013. According to the Every Other Day Diet book, it's all about every other day fasting