Joseph Robinette "Beau" Biden III died on Saturday night at age 46, although the exact type of brain cancer which killed him has not yet been revealed.
9 things you should know about illness
Following the death of the son of the United States vice-president, Joe Biden, to brain cancer, it has been revealed that a variety of malignant brain and central nervous system tumors kill about 15,000 people in the United States each year.
According to experts and data from various cancer organizations, the deaths from brain cancer often happen after difficult courses of surgery, radiation and chemotherapy.
Here are 10 important facts about brain cancer raised by experts as reported by the Washington Post:
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