Fad diets might seem like a good idea, but some of them are actually harmful to you.

So are there any that actually work?

Kate de Prima, an accredited practicing dietitian, recommends a 12 hour overnight fast to limit snacking and allow time for your body to digest.

Kate de Prima is an accredited practising dietitian and a regular guest on ABC Radio Brisbane on a Saturday morning. For more information: http://www.abc.net.au/radio/brisbane/programs/saturdaybreakfast/nutrition/10320816

De Prima also recommends contacting a professional to review your meal plan and blood pressure before commiting to a diet.