31.   Clenbuterol is supposed to help horses with respiratory problems.

32.   Doctors marveled over the years as Tiffany survived her original medical problems plus heart disease, a curved spine and severe respiratory problems.

33.   Doctors say one of the results is a growing number of children in metro Atlanta with asthma and other respiratory problems.

34.   Doctors warned those with respiratory problems living near the fire to stay indoors should winds shift the smoke inland.

35.   Environmental officials say the pollution levels are generally not high enough to cause massive respiratory problems for the public.

36.   Eucalyptus and hyssop are recommended to treat respiratory problems and frankincense to produce a feeling of alertness and a sense of clarity.

37.   For example, the EPA is considering tighter limits on ozone, the ingredient of smog that causes respiratory problems.

38.   For centuries, the herb has been used as a treatment for upper respiratory problems.

39.   Fort Worth-Dallas area hospitals reported a significant increase in the number of incoming patients complaining of respiratory problems, and some areas schools canceled recess.

40.   Hanta virus causes high fever, extreme respiratory problems and kidney failure.