Gas could provide ragweed relief

From KVUE, September 29, 2008...

North Texas is currently under seige from what some call their worst natural enemy: ragweed.

Despite an increase in the number of allergy sufferers, there have been no new treatments in years.

But a possible breakthrough treatment is now being studied that has even allergists excited.

It is as simple as the air in a bicycle tire or bubbles in a soda: carbon dioxide, also known by its chemical abbreviation, C02.

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