Primary brain tumors begin when normal cells develop changes (mutations) in their DNA. A cell's DNA contains the instructions that tell a cell what to do. The mutations tell the cells to grow and divide rapidly and to continue living when healthy cells would die.
Symptoms include new or increasingly strong headaches, blurred vision, loss of balance, confusion and seizures. In some cases, there may be no symptoms.
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Answer:
Primary brain tumors begin when normal cells develop changes (mutations) in their DNA. A cell's DNA contains the instructions that tell a cell what to do. The mutations tell the cells to grow and divide rapidly and to continue living when healthy cells would die.
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Symptoms include new or increasingly strong headaches, blurred vision, loss of balance, confusion and seizures. In some cases, there may be no symptoms.
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