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Asthma cases in Americans are about 75% higher today than they were in 1980.

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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

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There are approximately 3 million unintended pregnancies in the United States each year.

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