Diets and fitness plans involve giving up your favourite food and drink, require willpower of steel, and take up your spare time in the gym and the kitchen. You may lose weight, but at the cost of a miserable existence (one of the reasons why regular diets are so hard to stick to). The good news is, things don't have to be this way. The Zero Effort Diet allows you to carry on drinking and eating whatever you like, minimal (if any) exercise, and requires practically no effort or sacrifice on your behalf. Sounds too good to be true? It's really not. By taking the highest impact, lowest effort...