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 .
