这可以解释为什么有一些人是在大多数时间里是自然心情愉快的，而其他有一些人脸上带着那固有的怒视---这部分受他们由基因决定的易患病的体质。
This explains why some people are naturally cheerful most of the time, while others walk around with a permanent scowl on their faces ?
他说，目的不是为了让父母们担心，而是使人们认识到其遗传性易患病体质，并促使他们保持自己最佳的健康状态。
He says the goal is not to make parents worry, but rather to make people aware of their genetic predispositions and encourage them to stay on top of their health.
这也是可能的，他说，那些死去的人有一种潜在的遗传的易患病体质或状态。
It's also possible, he said, that those who died had an underlying genetic predisposition or condition.
新的调查，尤其是遗传流行病学，正在被进行，来检验已经被观察到的遗传上易患病体质的可能的影响。
New investigations, particularly in genetic epidemiology, are currently being put into operation in order to check up on possible effects of genetic predisposition already observed.
易患病体质有时是家庭偏头痛的受害者，但是没有确凿的证据证明是由遗传所引起。
There is often a predisposition for migraine within the family of migraine sufferers, but it is not certain how large a role heredity plays.
易患病体质有时是家庭偏头痛的受害者，但是没有确凿的证据证明是由遗传所引起。
There is often a predisposition for migraine within the family of migraine sufferers, but it is not certain how large a role heredity plays.
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