She says there is no information to explain in detail why tobacco smoke causes behavioral problems in children with asthma.

VOA: special.2009.01.13

It's reproduction of the virus and passage of that virus onto new cells which causes the problems with disease that we associate.

病毒一旦繁殖并进入新细胞,就会带来相关病症的危害

耶鲁公开课 - 生物医学工程探索课程节选

You have to exclude those causes that generate moral hazard problems for the insurance to work; otherwise, the whole system will fail.

你得将一些,有可能会产生道德风险的情况,排除在外;,否则，整个保险系统就失效了。

耶鲁公开课 - 金融市场课程节选

Other major causes were stroke, loss of use of arms or legs,arthritis, depression,eyesight problems and gastrointestinal problems.

VOA: special.2009.12.28

The disease causes nerve problems in the hands and feet and muscle weakness.

VOA: special.2010.03.23

Lyrica causes side-effects in some patients, including problems with mental concentration and attention.

VOA: special.2011.08.02

The disease causes sleep disorders, mental confusion,personality changes, speech problems,seizures and coma.

VOA: special.2010.01.04

Then,when the parasite enters the brain, it causes more serious problems.

VOA: special.2010.04.07

PTSD often causes severe sleep problems.

VOA: special.2009.12.11

"The recommendations are very clear." "For a country like Greece, you need to act on the fiscal side, and therefore addressing very forcefully the root causes of your fiscal problems through spending cuts and increasing taxation."

VOA: standard.2010.03.11