For most overweight people, their body tries to prevent permanent weight loss. This means your body is actually working against you to lose weight. That's because how much you weigh is controlled by ...

This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. There are plenty of tips on how to lose weight fast without exercise, from sketchy pills to crash diets that do more harm than good.

Dr Nick Fuller works for the University of Sydney and has received external funding for projects relating to the treatment of overweight and obesity. He is the author and founder of the Interval ...