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Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Your heart beats over 36 million times a year.
Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Did you know?
In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.