Initially that month, Mr. Jobs attributed his weight loss to a "hormonal imbalance" that was being treated nutritionally.

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One explanation for this relies on the observation that depression is often accompanied by a hormonal imbalance in the brain.

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Apple says Jobs has a hormonal imbalance but some investors and Apple watchers fear it is a relapse of cancer.

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Men who have developed breasts through hormonal imbalance and people who need tummy tucks following weight loss will also be affected.

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