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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.
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The average office desk has 400 times more bacteria on it than a toilet.
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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
![The thymus gland. This gland lies in the mediastinum of the thoracic cavity, just above the heart. I](https://biology-forums.com/gallery/47/medium_14755_28_08_12_1_42_28_82392384.jpeg)
![Position of the lungs within the thoracic cavity; anterior view illustrating regions of the lungs an](https://biology-forums.com/gallery/47/medium_14755_10_09_12_7_13_31_84901393.jpeg)