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More than 4.4billion prescriptions were dispensed within the United States in 2016.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.
Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.