1.   And after years of insisting cabin air is healthy, some airlines are admitting incidents of nausea and fainting among crew.

2.   Cabin air dries out mucous membranes and may be a factor in the infections travelers pick up.

3.   Cabin air is pumped into the bottom of the tower.

4.   --Dry cabin air can enlarge the teeny-tiny cracks in your nostrils, making it easier for germs to creep in.

5.   Peering through the bad cabin air, I spot the drinks cart.

6.   That is because, the authors said, there is too little information to determine the connection between health complaints and cabin air.

7.   The cooling equipment is leaking, and the system for removing carbon dioxide from the cabin air has been a constant headache.

8.   The FAA said Thursday that the studies to date had not shown any problem with cabin air.

9.   The newest planes also circulate cabin air through a layer of charcoal to remove odors.

10.   The safety board said Tuesday that it did not know why the plane had lost cabin air.