3aa0ab1b00000578-0-image-a-22_1479767208716

Losing weight rapidly, only to pile it all back on again — yo-yo dieting — is a trap many fall into; a survey in 2014 found 60 per cent of yo-yo dieters will try up to 20 diets in their lifetime.

And you don’t have to be losing and gaining huge amounts of weight to be a yo-yo dieter (it can be as little as between 7lb and 1st), but the weight gain and loss occurs over weeks and months, rather than years.

This way of dieting has been blamed for a range of health issues including hormone imbalances and osteoporosis.

Losing weight rapidly, only to pile it all back on again — yo-yo dieting — is a trap many fall into; a survey in 2014 found 60 per cent of yo-yo dieters will try up to 20 diets in their lifetime

A study presented last week at the American Heart Association’s Scientific Sessions found it could also harm the heart — and the risk increases the more often you try and fail to keep weight off.

‘This is particularly worrying since we know many yo-yo dieters have been on multiple failed diets, each time regaining more weight than they lose,’ says Rebecca McManamon, of the British Dietetic Association.

Here the experts explain why yo-yo diets are bad news…

YOU’LL PUT WEIGHT ON EVEN FASTER

Studies show the body strives to maintain its weight at a ‘set point’.

‘The body will protect itself against weight loss during a period of calorie restriction, which is probably an evolved protection mechanism, says Rebecca McManamon.

It also means people don’t suddenly gain weight if they overeat for short periods.

Read more: http://www.dailymail.co.uk/health/article-3958888/The-TRUTH-yo-yo-diets-Losing-regaining-weight-rapidly-make-hair-fall-harms-heart-obesity.html#ixzz4R3iaQrhs
Follow us: @MailOnline on Twitter | DailyMail on Facebook