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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
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.
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.