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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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.
According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.