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These can cause smog and sicknesses like lung cancer .

这些可能会造成烟雾，导致肺癌等一系列疾病。

Like many diseases it can be contagious , and I suspect it often contributes to sicknesses such as clinical depression .

与很多疾病一样，它可能具有传染性，而且我怀疑，它会经常导致临床抑郁等疾病。

Very often , when we are exposed to certain viral sicknesses ( for example , chicken pox ) , our body develops immunity against it thereafter .

通常，当我们面临某种病毒性疾病（比如，水痘），我们的身体会自动产生免疫力。

Some people are better at fending off certain sicknesses more than others .

有些人对于某些疾病的抵抗能力要强于其他人。

She was one of two elderly people to die in the outbreak that began in august 2006 and also included the death of a child and sicknesses reported from more than 200 people from maine to arizona .

她是一两个人的老人死在爆发开始于2006年8月和还包括一名儿童和疾病的报道，由超过200人，从缅因州到亚利桑那州。