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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

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

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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Oocyte maturation in certain species of frogs Oocyte maturation in certain species of frogs
The evolution of orthologs: homologous genes from different species. The evolution of orthologs: homologous genes from different species.
Insect species diversity on British host trees supports the area hypothesis. Insect species diversity on British host trees supports the area hypothesis.
Dimensions of quality of life affected by cancer Dimensions of quality of life affected by cancer
The relation between the physical and perceptual dimensions of sound. The relation between the physical and perceptual dimensions of sound.
The human brain The human brain
Video: Digestive System Animation

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