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Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

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The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

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In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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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.

Relationship of the electrocardiogram to electrical conduction in the heart Relationship of the electrocardiogram to electrical conduction in the heart
David Usher - Black Black Heart David Usher - Black Black Heart
Location of the heart in the mediastinum of the throrax Location of the heart in the mediastinum of the throrax
Conduction system of the heart Conduction system of the heart
Chambers of the Heart Chambers of the Heart
Heart Valves and Circulation of Blood Heart Valves and Circulation of Blood
Video: Phases of mitosis

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