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Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.
Did you know?
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.