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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.