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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

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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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There are approximately 3 million unintended pregnancies in the United States each year.

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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

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To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Phylogenetic tree based on the distribution of 120 alleles in 42 populations from around the world, Phylogenetic tree based on the distribution of 120 alleles in 42 populations from around the world,
The first commercially successful typewriter, manufactured in quantity beginning in 1874, surely fue The first commercially successful typewriter, manufactured in quantity beginning in 1874, surely fue
Contact theory indicates that prejudice decreases and relations improve when individuals of ... Contact theory indicates that prejudice decreases and relations improve when individuals of ...
When the O2S voltage rises above 450 mV, the PCM starts to control the fuel mixture based on ... When the O2S voltage rises above 450 mV, the PCM starts to control the fuel mixture based on ...
Nursing: A Concept-Based Approach to Learning, Volume II, 3rd Edition Nursing: A Concept-Based Approach to Learning, Volume II, 3rd Edition
Fraction of obese individuals by state in 1998 and 2008. In 1998, 42 states had obesity rates below Fraction of obese individuals by state in 1998 and 2008. In 1998, 42 states had obesity rates below
Video: Major Elements in Biological Molecules: Nucleic acids

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