21.   She was admitted to Griffin Hospital in Derby, Conn., two days later with breathing difficulties.

22.   Should the fan encounter a health problem, like a turned ankle or breathing difficulties, first aid stations are planned for the grandstands and the infield area.

23.   Smoking also leads to other health hazards, including increased risk of osteoporosis, breathing difficulties and an increased likelihood of miscarriages and ectopic pregnancies.

24.   Some scents may even cause irritation or breathing difficulty.

25.   Some victims recovered within an hour, while others were placed in intensive care with breathing difficulties.

26.   That condition usually occurs in premature babies, and they are more at risk for problems like breathing difficulties and brain disorders.

27.   The drug can also induce nausea, vomiting, rashes and breathing difficulties.

28.   The physician was not aware that the breathing difficulty could be attributed to polio, he said.

29.   The pollution, a ground-level ozone, can cause breathing difficulties, coughing and irritated eyes and throats.

30.   The smell can cause watery eyes and breathing difficulty.