Davina McCall reveals heartbreaking reason she’s so focused on her health and fitness

DAVINA McCall has revealed why she stays so focused on her health and fitness.

The 50-year-old presenter says her sister Caroline's death from lung cancer back in 2012, prompted her to "do everything I can to stay fit and healthy."

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She told The Mirror: “One in two of us is going to end up with cancer. Cancer used to play on my mind.

“Quite close to Caroline’s death I definitely would think about every niggle ‘Oh, is this cancer?’

Caroline was 50-years -old - the same age as Davina is now - when she lost her battle with the disease.

Last month, the star ran the Race For Life in her "brilliant sister" Caroline's memory.

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Davina has become well known for posting shots of her incredible figure on Instagram.

But she recently was forced to defend herself against trolls who branded her "too skinny" in one bikini snap.

She wrote: "Jesus! Talk about hooha!!!

"Two pics… same day I chose one on the right coz I liked my 6 pack but just so you can all calm down here is one without.

"Look at my insta … happy and healthy."

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In today's interview she said she is taking a philosophical attitude to the negative comments and says she just "rolls with it."

She added: “As long as I feel good in myself about decisions that I’ve made, or the way that I feel or look, that’s the most important thing. And I’m healthy.”

Davina has been open about her health and fitness journey and follows a sugar-free diet.

She's sold over half a million books on the topic to date.