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Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

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Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

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