The real reason behind PRESIDENT OBAMA‘s shocking weight loss – he’s secretly battling stomach parasites, say sources.

The pencil-thin president caught the parasites on a trip last year to Hawaii, where he and his family also vacationed over Christmas, according to top political insiders.

"Barack has wanted to keep the stomach parasites under the radar," revealed a close source.

"There had been a public health warning about them in Hawaii when he caught them."

Concerned sources say extreme stress and a poor diet caused by his hectic schedule have contributed to the 6-foot-1 president’s skeletal look.

"Michelle is fearful he’s close to a physical collapse," revealed an insider.

"He appears to be wasting away. "

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