Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
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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.
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The horizontal fraction bar was introduced by the Arabs.
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Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.
Mammalian hair.
Hair loss due to DHT
Patient teaching: hair and scalp assessment
Saccular Hair Cells
Primary aging means changes in hair color and skin texture for almost everyone.
Examples of four letter formats: (A) block style, (B) modified block style, (C) modified block style ...