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The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
On average, the stomach produces 2 L of hydrochloric acid per day.
If you could remove all of your skin, it would weigh up to 5 pounds.
In 1864, the first barbiturate (barbituric acid) was synthesized.
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