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In 1864, the first barbiturate (barbituric acid) was synthesized.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Thyroid conditions may make getting pregnant impossible.
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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