Dangers of yo-yo dieting like Christian Bale: Health experts warn method actors set a dangerous example for general public – as the Brit piles on pounds again to play Dick Cheney

Dramatic physical transformations for movie roles have led celebrities such as Christian Bale, Anne Hathaway and Matthew McConaughey to gain or lose an extreme amount of weight in what is called yo-yo dieting. 

This diet method is when people take their weight loss or gain to the extreme in order to alter their appearance for a professional role.

Actor Christian Bale, 43, is known for his varied transformations for his on-screen roles.

Yesterday, pictures came out of Bale’s most recent extreme weight gain to help mimic the physical appearance of Dick Cheney in the new movie Backseat.

Bale is known for gaining and losing weight for roles, especially when he notoriously shed 60lbs for the movie The Machinist in 2004 and then bulked back up more than 80lbs one year later to play Batman in Batman Begins.

But experts warn that the constant fluctuation of weight on the body can have severe health risks including cardiovascular disease, muscle loss and nutritional deficiencies.

Daily Mail Online spoke with Lisa Moskovitz, a licensed nutritionist and founder of NY Nutrition Group, and Mascha Davis, a registered dietitian and spokesperson for Academy of Nutrition & Dietetics, about the dangers of yo-yo dieting and how it can impact the body.

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