But sudden, unexplained weight loss can be even more worrisome.
不过原因不明的体重突降也许更值得担。
Some are related to family risk, but most are still unexplained.
一些涉及到家庭风险，但多数仍无法解释。
At this stage the death is being treated as unexplained but not suspicious.
现阶段死因未明，但没有可疑之处。
At this stage the death is being treated as unexplained but not suspicious.
现阶段死因未明，但没有可疑之处。
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