31.   Health problems cause her almost constant pain and fatigue, making cooking for a family of four a major challenge.

32.   Hospitals are scrambling to overcome a worsening shortage of vital drugs, a problem that is causing delays in some surgeries and medical services.

33.   Hyer declined to say what problem caused the postponement.

34.   If a labor problem causes a cancellation thaty strands passengers overnight, United will give them hotel vouchers, the airline said.

35.   In extreme cases, Hammond said, earthquake-related problems have caused caused domestic violence, at least one suicide and scores of suicide threats.

36.   In extreme cases, Hammond said, earthquake-related problems have caused domestic violence, at least one suicide and scores of suicide threats.

37.   Investigators are paying special attention to whether structural failure or engine problems might have caused the plane to break into four pieces in mid-flight.

38.   It was not clear why a landing-gear problem would have caused the pilot, who lived in Switzerland, to crash the plane into the building.

39.   Its problems will cause a knock-on affect on countless other companies.

40.   Last year, West Coast wholesale fuel prices rose after regional refining problems caused shortages.