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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
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.
The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.