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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
Cyanide works by making the human body unable to use oxygen.
The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.
Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.