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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

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Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

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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 term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

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Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Note the thickening of the intestinal wall and the erosion of the inner lining of the ileum, often s Note the thickening of the intestinal wall and the erosion of the inner lining of the ileum, often s
Crohn's Disease Crohn's Disease
Peptic ulcer disease (PUD). Peptic ulcer disease (PUD).
Nondrug Treatments for Parkinson’s Disease Nondrug Treatments for Parkinson’s Disease
People with Huntington disease develop problems with neuromuscular control and gradually lose the us People with Huntington disease develop problems with neuromuscular control and gradually lose the us
Partial map of disease genes on human chromosome 21 Partial map of disease genes on human chromosome 21
Video: Introduction to Spirometry

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