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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.