After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
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In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.
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There are 60,000 miles of blood vessels in every adult human.
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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
Pathogenic microorganisms include (A) bacteria, (B) viruses, (C) protozoa, and (D) helminths.