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In 1864, the first barbiturate (barbituric acid) was synthesized.

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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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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

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All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

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Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Water striders serve as a model organism for the study of sexual conflict between males and females. Water striders serve as a model organism for the study of sexual conflict between males and females.
The tarsier is a haplorhine, and may represent an evolutionary bridge between lower and higher prima The tarsier is a haplorhine, and may represent an evolutionary bridge between lower and higher prima
Poverty rates have declined in the last 50 years, and the biggest decline has been for people 65 and ... Poverty rates have declined in the last 50 years, and the biggest decline has been for people 65 and ...
Change in air temperature at various air flow rates for a 2 pass operation Change in air temperature at various air flow rates for a 2 pass operation
TV-Watching and Hyperactivity in Youth TV-Watching and Hyperactivity in Youth
Percentage of youth age 15 to 19 years with at-risk levels of body composition & fitness Percentage of youth age 15 to 19 years with at-risk levels of body composition & fitness
Video: Introduction to filtration - filtrate formation and composition

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