It has been theorized that a prenatal hormonal imbalance may predispose individuals to the disorder.

从理论上讲，父母亲性激素不平衡可能为孩子的病症留下根源。

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Mr Jobs, who has previously battled against pancreatic cancer, went on medical leave in January suffering from a hormonal imbalance.

曾与胰腺癌斗争过的乔布斯先生因患激素失衡，于一月份开始休病假。

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

WSJ: Apple Co-Founder Steve Jobs's Rare Disease Ran Predictable Course

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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