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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.
In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.
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