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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.