People ages 25 to 64 with underlying conditions like heart disease and asthma.

25 - 64岁的某些疾病人群，像心脏病和哮喘。

They give you the power to reverse the underlying conditions of depression.

它们赋予了人们扭转潜在抑郁病情的力量。

Now it is clear that it has killed relatively few victims - and many of those have underlying conditions.

现在清楚了，新流感病毒造成死亡的受害者相对较少，尽管许多受害者具有受传染的基本条件。

Get your health care provider's OK before starting or continuing an exercise program, especially if you have any underlying conditions.

在开始或继续锻炼计划前要得到你健康咨询师的允许，特别是如果你有任何潜在的状况。

First, children who are underweight or overweight might have other underlying conditions or illnesses that make them more predisposed to dying of infection.

第一，体重过轻或者体重超重的患儿本身就可能在一些特殊的状况下或者存在其他疾病，这些原因可能致使他们更容易诱发感染性致死。