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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.
Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.