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Adding fuel to the fire

respiratory diseases such as hay fever and asthma may increase in the near future due to global warming, indicates a recent study conducted by scientists from us-based Harvard University and Harvard Medical School. The researchers assert that global warming would result in greater production of airborne allergens such as pollen through quicker and more abundant growth of plants ( www.newswise.com , March 28, 2002).

The researchers studied ragweed plant that produces one of the most common allergens. They grew these plants in two different enclosed environments

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