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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.
According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.