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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.
Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Did you know?
Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
The horizontal fraction bar was introduced by the Arabs.

