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Author Question: What does the biological species concept use as the primary criterion for determ (Read 1558 times) |
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
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Thyroid conditions may make getting pregnant impossible.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.