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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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Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

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Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Historian James Merrell notes several errors in Benjamin West’s famous 1771 painting, William Penn’s Historian James Merrell notes several errors in Benjamin West’s famous 1771 painting, William Penn’s
Paranasal sinuses are part of the upper respiratory system. From here, infections may spread via the ... Paranasal sinuses are part of the upper respiratory system. From here, infections may spread via the ...
Hydrolysis reactions for some biochemically important phosphate compounds (part 3) Hydrolysis reactions for some biochemically important phosphate compounds (part 3)
How to find the area of composite figures (Part 2) How to find the area of composite figures (Part 2)
How to calculate compound interest (Part 2) How to calculate compound interest (Part 2)
Good Old War - Part Of Me [Audio] Good Old War - Part Of Me [Audio]
Video: Coronary Heart Disease

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