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Did you know?
Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.
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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.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.
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Vaccines prevent between 2.5 and 4 million deaths every year.