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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.
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.