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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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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.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.