Crash diets can actually make weight loss more difficult

Those trying to kick-start their weight loss or perhaps wanting to lose a few pounds before a big event or holiday may be tempted to try a crash diet. While it’s true that in order to lose weight you need to eat fewer calories than your body uses each day, in reality crash diets may actually work against you – and may make weight loss more difficult.

Crash diets have been around for years, but have stayed popular more recently thanks to influencers and social media. Typically, these diets involve drastically reducing calorie intake to 800-1,200 calories a day for a few weeks at a time. Proponents of these diets claim it can lead to rapid weight loss, which may explain why they have such a significant appeal.

Indeed, research has shown these diets can actually be very effective for certain people.

In a study of 278 adults with obesity, a 12-week crash diet of 810 calories a day led to greater weight loss after 12 months than people who only reduced their calories by portion control. The crash diet group lost an average of nearly 11kg versus only 3kg in the moderate diet group.

Similarly, one study showed that very low-calorie diets may be beneficial for people with type 2 diabetes. The researchers found that...

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