"We have plants for bronchial asthma, hepatitis and arthritis, " he said.

BBC: Herbal medicine

Thanks to that and Advair's nifty delivery system--a plastic purple puck that is easy to use--the drug has moved far beyond a narrow audience of severe asthma patients to reach those with mild cases and nonasthmatics who simply have a bad bronchial cough.

FORBES: Trouble Breathing