After months spent in lockdown - many of us have become all too friendly with Mr Fridge. That, teamed with moving less and sitting more has meant some people are looking for ways to shed those extra pounds. The 1:1 Diet otherwise known as The Cambridge Weight Plan replaces meals with shakes, soups and bars to help people cut and control calories. But critics say it's not always the healthiest or most sustainable way to lose weight. So we have separated the fact from the fiction to give you a comprehensive guide to the Cambridge diet. Other popular NHS diets include Slimming World, Weight Watchers, The F Plan and The South Beach Diet. This article was originally published on July 1 but has been updated to include advice from 1:1 Diet specialists. Before making any extreme changes to your diet, you should always speak to your GP to discuss any potential concerns or side effects. What is the Camb