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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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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.

Areas of Mediterranean shrubland in southern California periodically burn over large areas, destroyi Areas of Mediterranean shrubland in southern California periodically burn over large areas, destroyi
A herd of Roosevelt Elk in Redwood National and State Parks, California A herd of Roosevelt Elk in Redwood National and State Parks, California
Vacuoles in Plant Cells Are Usually Large Vacuoles in Plant Cells Are Usually Large
Large-Flowered Leafcup Large-Flowered Leafcup
Booker T. Washington in his office at Tuskegee Institute, 1900. Washington chose a policy of accommo Booker T. Washington in his office at Tuskegee Institute, 1900. Washington chose a policy of accommo
Gustave Caillebotte, Place de l'Europe on a Rainy Day. Gustave Caillebotte, Place de l'Europe on a Rainy Day.
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