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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
People about to have surgery must tell their health care providers about all supplements they take.
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.