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Cyanide works by making the human body unable to use oxygen.

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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

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Video: Types of synapses - electrical & chemical

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