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In 1864, the first barbiturate (barbituric acid) was synthesized.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
Thyroid conditions may make getting pregnant impossible.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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