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Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

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The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

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Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

An adult tooth, longitudinal view showing internal structures of the crown and root. An adult tooth, longitudinal view showing internal structures of the crown and root.
Cranial Nerves Memory Tool Cranial Nerves Memory Tool
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Sedimentary structures Sedimentary structures
Summary of Homologous Structures of the Female and Male Reproductive Systems Summary of Homologous Structures of the Female and Male Reproductive Systems
Video: Bone tissue types - compact and spongy

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