Is Miley Cyrus’ Weight Loss Healthy? Expert Answers! (EXCLUSIVE)

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Miley Cyrus took to Twitter Sunday night to squash rumors that she is anorexic, revealing her dramatic weight loss is due to a “gluten and lactose allergy.”

“Everyone should try no gluten for a week,” Cyrus, 19, stated. “The change in your skin, phyisical and mental health is amazing!”

So what is the allergy — and is it really what is making the Hannah Montana look so slim? Celebuzz spoke to JJ Virgin, one of the nation’s foremost fitness and nutrition experts, who authored of “Six Weeks to Sleeveless and Sexy” and starred in the TLC reality series, Freaky Eaters.

“These food reactions can happen due to genetics, stress, poor diet, medications, chronic consumption of the same foods and can happen at any age,” said JJ, who has not treated Cyrus. Read on for more details.

“Miley looks terrific,” JJ told Celebuzz. “She looks like a fit, healthy girl.”

The expert added, “The toning is clearly from exercise, but I believe the fat loss was due to the elimination of dairy and gluten as I have seen similar effects with hundreds of clients.”

Explaining what happens when an individual cuts out gluten, JJ said it helps “with fast fat loss and improved energy.”

“A gluten ‘allergy’ could be anything from outright celiac disease where eating gluten will kill you over time, to gluten intolerance where gluten can cause symptoms including gas and bloating, weight gain, brain fog, inability to focus and joint pain. Even if you don’t have an intolerance to gluten I have to agree with Miley in that gluten is ‘crappp food.'”

While JJ said she believed that Cyrus’ diet changes were a major contributor to her slim figure because “one of the fastest ways to lose weight is to cut out sugar, artificial sweeteners and gluten,” we asked whether such a drastic diet change could be a risk to someone so young.

She said:

“A reaction to gluten can happen at any age and I believe everyone would be healthier– especially children with childhood obesity rates soaring– if they either entirely removed it from their diet or at least minimized their consumption. I also stand behind Miley’s recommendation that everyone should try removing it from their diet and see how they feel. I want to emphasize that you should do this for at least 3 weeks and make sure you pull it out 100% – as you will see when you start to read labels, it is everywhere including beer, mustard and many luncheon meats!”

As for lactose intolerance, JJ pointed out that it is not an “outright allergy” but usually a genetic issue where your body lacks the lactase enzyme to be able to effectively break down the sugar found in milk and some dairy products.

“About 25% of Americans and 75% of people worldwide suffer from this issue which can cause major gastrointestinal symptoms and chronic inflammation,” said JJ.

“There is also loads of research showing the connection between acne and dairy, so it is totally understandable that Miley is thrilled with changes in her skin, as well as her physical and mental health.”

Indeed, JJ said Cyrus is just like many of her own clients, who after pulling dairy and gluten out of their diet, “don’t ever want to go back.” She added:

“If anyone at any age is struggling with auto immune issues, mood issues, joint pain, inability to lose weight, food cravings, skin problems or GI issues, they should do a trial of pulling out gluten and dairy (there are plenty of other calcium rich foods out there to supplement your diet with) to see if they improve.”