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There are more bacteria in your mouth than there are people in the world.
People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.